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Finding the Fourth Proportional to 606,864.30, 910,515.15 and 252,132.90

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Solution

The fourth proportional to 606,864.30, 910,515.15 and 252,132.90 is: 378,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,864.30 : 910,515.15 = 252,132.90 : x
  2. Step 2: Convert to fraction form
    606,864.30/910,515.15 = 252,132.90/x
  3. Step 3: Cross multiply
    606,864.30x = 910,515.15 × 252,132.90
  4. Step 4: Simplify right side
    606,864.30x = 229,570,825,263.44
  5. Step 5: Solve for x
    x = 229,570,825,263.44/606,864.30
  6. Step 6: Final answer
    x = 378,290.21

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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.