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Finding the Fourth Proportional to 527,600.11, 728,101.60 and 323,763.61

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Solution

The fourth proportional to 527,600.11, 728,101.60 and 323,763.61 is: 446,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,600.11 : 728,101.60 = 323,763.61 : x
  2. Step 2: Convert to fraction form
    527,600.11/728,101.60 = 323,763.61/x
  3. Step 3: Cross multiply
    527,600.11x = 728,101.60 × 323,763.61
  4. Step 4: Simplify right side
    527,600.11x = 235,732,802,462.78
  5. Step 5: Solve for x
    x = 235,732,802,462.78/527,600.11
  6. Step 6: Final answer
    x = 446,802.03

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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.