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Finding the Fourth Proportional to 546,953.70, 820,425.15 and 172,976.70

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Solution

The fourth proportional to 546,953.70, 820,425.15 and 172,976.70 is: 259,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,953.70 : 820,425.15 = 172,976.70 : x
  2. Step 2: Convert to fraction form
    546,953.70/820,425.15 = 172,976.70/x
  3. Step 3: Cross multiply
    546,953.70x = 820,425.15 × 172,976.70
  4. Step 4: Simplify right side
    546,953.70x = 141,914,435,044.01
  5. Step 5: Solve for x
    x = 141,914,435,044.01/546,953.70
  6. Step 6: Final answer
    x = 259,463.34

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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.