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Finding the Fourth Proportional to 417,095.60, 625,643.40 and 283,251.20

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Solution

The fourth proportional to 417,095.60, 625,643.40 and 283,251.20 is: 424,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,095.60 : 625,643.40 = 283,251.20 : x
  2. Step 2: Convert to fraction form
    417,095.60/625,643.40 = 283,251.20/x
  3. Step 3: Cross multiply
    417,095.60x = 625,643.40 × 283,251.20
  4. Step 4: Simplify right side
    417,095.60x = 177,214,243,822.08
  5. Step 5: Solve for x
    x = 177,214,243,822.08/417,095.60
  6. Step 6: Final answer
    x = 424,876.80

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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.