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Finding the Fourth Proportional to 554,468.70, 831,703.05 and 302,526.30

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Solution

The fourth proportional to 554,468.70, 831,703.05 and 302,526.30 is: 453,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,468.70 : 831,703.05 = 302,526.30 : x
  2. Step 2: Convert to fraction form
    554,468.70/831,703.05 = 302,526.30/x
  3. Step 3: Cross multiply
    554,468.70x = 831,703.05 × 302,526.30
  4. Step 4: Simplify right side
    554,468.70x = 251,612,046,415.22
  5. Step 5: Solve for x
    x = 251,612,046,415.22/554,468.70
  6. Step 6: Final answer
    x = 453,789.45

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Double scale
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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.