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Finding the Fourth Proportional to 502,233.60, 753,350.40 and 313,276.80

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Solution

The fourth proportional to 502,233.60, 753,350.40 and 313,276.80 is: 469,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,233.60 : 753,350.40 = 313,276.80 : x
  2. Step 2: Convert to fraction form
    502,233.60/753,350.40 = 313,276.80/x
  3. Step 3: Cross multiply
    502,233.60x = 753,350.40 × 313,276.80
  4. Step 4: Simplify right side
    502,233.60x = 236,007,202,590.72
  5. Step 5: Solve for x
    x = 236,007,202,590.72/502,233.60
  6. Step 6: Final answer
    x = 469,915.20

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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.