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Finding the Fourth Proportional to 425,616.89, 587,355.24 and 234,637.11

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Solution

The fourth proportional to 425,616.89, 587,355.24 and 234,637.11 is: 323,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,616.89 : 587,355.24 = 234,637.11 : x
  2. Step 2: Convert to fraction form
    425,616.89/587,355.24 = 234,637.11/x
  3. Step 3: Cross multiply
    425,616.89x = 587,355.24 × 234,637.11
  4. Step 4: Simplify right side
    425,616.89x = 137,815,336,056.96
  5. Step 5: Solve for x
    x = 137,815,336,056.96/425,616.89
  6. Step 6: Final answer
    x = 323,801.38

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1.5x scale

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.