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Finding the Fourth Proportional to 554,663.70, 831,995.55 and 532,890.90

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Solution

The fourth proportional to 554,663.70, 831,995.55 and 532,890.90 is: 799,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,663.70 : 831,995.55 = 532,890.90 : x
  2. Step 2: Convert to fraction form
    554,663.70/831,995.55 = 532,890.90/x
  3. Step 3: Cross multiply
    554,663.70x = 831,995.55 × 532,890.90
  4. Step 4: Simplify right side
    554,663.70x = 443,362,857,435.50
  5. Step 5: Solve for x
    x = 443,362,857,435.50/554,663.70
  6. Step 6: Final answer
    x = 799,336.35

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Half scale
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Double scale
Find fourth proportional to 554,664.70, 831,997.05 and 532,891.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.