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Finding the Fourth Proportional to 527,597.23, 728,097.62 and 323,760.73

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Solution

The fourth proportional to 527,597.23, 728,097.62 and 323,760.73 is: 446,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,597.23 : 728,097.62 = 323,760.73 : x
  2. Step 2: Convert to fraction form
    527,597.23/728,097.62 = 323,760.73/x
  3. Step 3: Cross multiply
    527,597.23x = 728,097.62 × 323,760.73
  4. Step 4: Simplify right side
    527,597.23x = 235,729,416,962.46
  5. Step 5: Solve for x
    x = 235,729,416,962.46/527,597.23
  6. Step 6: Final answer
    x = 446,798.06

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Double scale
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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.