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Finding the Fourth Proportional to 423,701.16, 584,565.29 and 239,914.70

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Solution

The fourth proportional to 423,701.16, 584,565.29 and 239,914.70 is: 331,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,701.16 : 584,565.29 = 239,914.70 : x
  2. Step 2: Convert to fraction form
    423,701.16/584,565.29 = 239,914.70/x
  3. Step 3: Cross multiply
    423,701.16x = 584,565.29 × 239,914.70
  4. Step 4: Simplify right side
    423,701.16x = 140,245,802,058.36
  5. Step 5: Solve for x
    x = 140,245,802,058.36/423,701.16
  6. Step 6: Final answer
    x = 331,001.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.