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Finding the Fourth Proportional to 371,363.52, 557,044.32 and 134,705.76

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Solution

The fourth proportional to 371,363.52, 557,044.32 and 134,705.76 is: 202,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,363.52 : 557,044.32 = 134,705.76 : x
  2. Step 2: Convert to fraction form
    371,363.52/557,044.32 = 134,705.76/x
  3. Step 3: Cross multiply
    371,363.52x = 557,044.32 × 134,705.76
  4. Step 4: Simplify right side
    371,363.52x = 75,037,078,479.28
  5. Step 5: Solve for x
    x = 75,037,078,479.28/371,363.52
  6. Step 6: Final answer
    x = 202,058.29

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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.