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Finding the Fourth Proportional to 572,251.80, 858,377.70 and 151,570.20

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Solution

The fourth proportional to 572,251.80, 858,377.70 and 151,570.20 is: 227,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,251.80 : 858,377.70 = 151,570.20 : x
  2. Step 2: Convert to fraction form
    572,251.80/858,377.70 = 151,570.20/x
  3. Step 3: Cross multiply
    572,251.80x = 858,377.70 × 151,570.20
  4. Step 4: Simplify right side
    572,251.80x = 130,104,479,664.54
  5. Step 5: Solve for x
    x = 130,104,479,664.54/572,251.80
  6. Step 6: Final answer
    x = 227,355.30

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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.