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Finding the Fourth Proportional to 425,462.79, 587,138.62 and 234,476.17

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Solution

The fourth proportional to 425,462.79, 587,138.62 and 234,476.17 is: 323,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,462.79 : 587,138.62 = 234,476.17 : x
  2. Step 2: Convert to fraction form
    425,462.79/587,138.62 = 234,476.17/x
  3. Step 3: Cross multiply
    425,462.79x = 587,138.62 × 234,476.17
  4. Step 4: Simplify right side
    425,462.79x = 137,670,014,876.69
  5. Step 5: Solve for x
    x = 137,670,014,876.69/425,462.79
  6. Step 6: Final answer
    x = 323,577.10

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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.