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Finding the Fourth Proportional to 425,385.64, 587,044.52 and 234,411.32

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Solution

The fourth proportional to 425,385.64, 587,044.52 and 234,411.32 is: 323,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,385.64 : 587,044.52 = 234,411.32 : x
  2. Step 2: Convert to fraction form
    425,385.64/587,044.52 = 234,411.32/x
  3. Step 3: Cross multiply
    425,385.64x = 587,044.52 × 234,411.32
  4. Step 4: Simplify right side
    425,385.64x = 137,609,880,831.97
  5. Step 5: Solve for x
    x = 137,609,880,831.97/425,385.64
  6. Step 6: Final answer
    x = 323,494.42

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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.