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Finding the Fourth Proportional to 425,745.70, 587,530.29 and 234,754.90

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Solution

The fourth proportional to 425,745.70, 587,530.29 and 234,754.90 is: 323,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,745.70 : 587,530.29 = 234,754.90 : x
  2. Step 2: Convert to fraction form
    425,745.70/587,530.29 = 234,754.90/x
  3. Step 3: Cross multiply
    425,745.70x = 587,530.29 × 234,754.90
  4. Step 4: Simplify right side
    425,745.70x = 137,925,614,475.92
  5. Step 5: Solve for x
    x = 137,925,614,475.92/425,745.70
  6. Step 6: Final answer
    x = 323,962.44

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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.