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Finding the Fourth Proportional to 546,691.52, 820,071.84 and 231,106.88

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Solution

The fourth proportional to 546,691.52, 820,071.84 and 231,106.88 is: 346,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,691.52 : 820,071.84 = 231,106.88 : x
  2. Step 2: Convert to fraction form
    546,691.52/820,071.84 = 231,106.88/x
  3. Step 3: Cross multiply
    546,691.52x = 820,071.84 × 231,106.88
  4. Step 4: Simplify right side
    546,691.52x = 189,524,244,318.26
  5. Step 5: Solve for x
    x = 189,524,244,318.26/546,691.52
  6. Step 6: Final answer
    x = 346,674.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.