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Finding the Fourth Proportional to 554,435.20, 831,652.80 and 532,662.40

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Solution

The fourth proportional to 554,435.20, 831,652.80 and 532,662.40 is: 798,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,435.20 : 831,652.80 = 532,662.40 : x
  2. Step 2: Convert to fraction form
    554,435.20/831,652.80 = 532,662.40/x
  3. Step 3: Cross multiply
    554,435.20x = 831,652.80 × 532,662.40
  4. Step 4: Simplify right side
    554,435.20x = 442,990,176,414.72
  5. Step 5: Solve for x
    x = 442,990,176,414.72/554,435.20
  6. Step 6: Final answer
    x = 798,993.60

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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.