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Finding the Fourth Proportional to 536,673.60, 740,593.88 and 307,223.28

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Solution

The fourth proportional to 536,673.60, 740,593.88 and 307,223.28 is: 423,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,673.60 : 740,593.88 = 307,223.28 : x
  2. Step 2: Convert to fraction form
    536,673.60/740,593.88 = 307,223.28/x
  3. Step 3: Cross multiply
    536,673.60x = 740,593.88 × 307,223.28
  4. Step 4: Simplify right side
    536,673.60x = 227,527,680,961.53
  5. Step 5: Solve for x
    x = 227,527,680,961.53/536,673.60
  6. Step 6: Final answer
    x = 423,959.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.