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Finding the Fourth Proportional to 425,398.08, 587,077.76 and 234,411.44

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Solution

The fourth proportional to 425,398.08, 587,077.76 and 234,411.44 is: 323,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,398.08 : 587,077.76 = 234,411.44 : x
  2. Step 2: Convert to fraction form
    425,398.08/587,077.76 = 234,411.44/x
  3. Step 3: Cross multiply
    425,398.08x = 587,077.76 × 234,411.44
  4. Step 4: Simplify right side
    425,398.08x = 137,617,743,113.57
  5. Step 5: Solve for x
    x = 137,617,743,113.57/425,398.08
  6. Step 6: Final answer
    x = 323,503.44

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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.