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Finding the Fourth Proportional to 425,695.50, 587,462.22 and 234,705.60

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Solution

The fourth proportional to 425,695.50, 587,462.22 and 234,705.60 is: 323,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,695.50 : 587,462.22 = 234,705.60 : x
  2. Step 2: Convert to fraction form
    425,695.50/587,462.22 = 234,705.60/x
  3. Step 3: Cross multiply
    425,695.50x = 587,462.22 × 234,705.60
  4. Step 4: Simplify right side
    425,695.50x = 137,880,672,822.43
  5. Step 5: Solve for x
    x = 137,880,672,822.43/425,695.50
  6. Step 6: Final answer
    x = 323,895.07

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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.