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Finding the Fourth Proportional to 417,058.16, 625,630.98 and 136,597.28

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Solution

The fourth proportional to 417,058.16, 625,630.98 and 136,597.28 is: 204,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,058.16 : 625,630.98 = 136,597.28 : x
  2. Step 2: Convert to fraction form
    417,058.16/625,630.98 = 136,597.28/x
  3. Step 3: Cross multiply
    417,058.16x = 625,630.98 × 136,597.28
  4. Step 4: Simplify right side
    417,058.16x = 85,459,490,151.73
  5. Step 5: Solve for x
    x = 85,459,490,151.73/417,058.16
  6. Step 6: Final answer
    x = 204,910.25

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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.