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Finding the Fourth Proportional to 425,461.79, 587,137.25 and 234,475.17

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Solution

The fourth proportional to 425,461.79, 587,137.25 and 234,475.17 is: 323,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,461.79 : 587,137.25 = 234,475.17 : x
  2. Step 2: Convert to fraction form
    425,461.79/587,137.25 = 234,475.17/x
  3. Step 3: Cross multiply
    425,461.79x = 587,137.25 × 234,475.17
  4. Step 4: Simplify right side
    425,461.79x = 137,669,105,334.71
  5. Step 5: Solve for x
    x = 137,669,105,334.71/425,461.79
  6. Step 6: Final answer
    x = 323,575.72

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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.