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Finding the Fourth Proportional to 527,958.66, 729,184.23 and 357,897.54

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Solution

The fourth proportional to 527,958.66, 729,184.23 and 357,897.54 is: 494,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,958.66 : 729,184.23 = 357,897.54 : x
  2. Step 2: Convert to fraction form
    527,958.66/729,184.23 = 357,897.54/x
  3. Step 3: Cross multiply
    527,958.66x = 729,184.23 × 357,897.54
  4. Step 4: Simplify right side
    527,958.66x = 260,973,242,123.79
  5. Step 5: Solve for x
    x = 260,973,242,123.79/527,958.66
  6. Step 6: Final answer
    x = 494,306.21

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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.