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Finding the Fourth Proportional to 425,611.32, 587,345.40 and 234,620.52

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Solution

The fourth proportional to 425,611.32, 587,345.40 and 234,620.52 is: 323,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,611.32 : 587,345.40 = 234,620.52 : x
  2. Step 2: Convert to fraction form
    425,611.32/587,345.40 = 234,620.52/x
  3. Step 3: Cross multiply
    425,611.32x = 587,345.40 × 234,620.52
  4. Step 4: Simplify right side
    425,611.32x = 137,803,283,167.61
  5. Step 5: Solve for x
    x = 137,803,283,167.61/425,611.32
  6. Step 6: Final answer
    x = 323,777.30

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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.