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Finding the Fourth Proportional to 527,656.31, 792,543.50 and 314,839.45

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Solution

The fourth proportional to 527,656.31, 792,543.50 and 314,839.45 is: 472,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,656.31 : 792,543.50 = 314,839.45 : x
  2. Step 2: Convert to fraction form
    527,656.31/792,543.50 = 314,839.45/x
  3. Step 3: Cross multiply
    527,656.31x = 792,543.50 × 314,839.45
  4. Step 4: Simplify right side
    527,656.31x = 249,523,959,641.08
  5. Step 5: Solve for x
    x = 249,523,959,641.08/527,656.31
  6. Step 6: Final answer
    x = 472,891.07

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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.