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Finding the Fourth Proportional to 527,701.82, 728,306.67 and 334,127.52

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Solution

The fourth proportional to 527,701.82, 728,306.67 and 334,127.52 is: 461,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,701.82 : 728,306.67 = 334,127.52 : x
  2. Step 2: Convert to fraction form
    527,701.82/728,306.67 = 334,127.52/x
  3. Step 3: Cross multiply
    527,701.82x = 728,306.67 × 334,127.52
  4. Step 4: Simplify right side
    527,701.82x = 243,347,304,747.90
  5. Step 5: Solve for x
    x = 243,347,304,747.90/527,701.82
  6. Step 6: Final answer
    x = 461,145.47

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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.