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Finding the Fourth Proportional to 425,410.18, 587,069.99 and 234,430.41

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Solution

The fourth proportional to 425,410.18, 587,069.99 and 234,430.41 is: 323,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,410.18 : 587,069.99 = 234,430.41 : x
  2. Step 2: Convert to fraction form
    425,410.18/587,069.99 = 234,430.41/x
  3. Step 3: Cross multiply
    425,410.18x = 587,069.99 × 234,430.41
  4. Step 4: Simplify right side
    425,410.18x = 137,627,058,454.40
  5. Step 5: Solve for x
    x = 137,627,058,454.40/425,410.18
  6. Step 6: Final answer
    x = 323,516.14

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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.