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Finding the Fourth Proportional to 527,597.73, 728,098.32 and 323,761.23

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Solution

The fourth proportional to 527,597.73, 728,098.32 and 323,761.23 is: 446,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,597.73 : 728,098.32 = 323,761.23 : x
  2. Step 2: Convert to fraction form
    527,597.73/728,098.32 = 323,761.23/x
  3. Step 3: Cross multiply
    527,597.73x = 728,098.32 × 323,761.23
  4. Step 4: Simplify right side
    527,597.73x = 235,730,007,644.13
  5. Step 5: Solve for x
    x = 235,730,007,644.13/527,597.73
  6. Step 6: Final answer
    x = 446,798.75

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1.5x scale

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.