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Finding the Fourth Proportional to 425,464.01, 587,132.80 and 231,873.50

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Solution

The fourth proportional to 425,464.01, 587,132.80 and 231,873.50 is: 319,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,464.01 : 587,132.80 = 231,873.50 : x
  2. Step 2: Convert to fraction form
    425,464.01/587,132.80 = 231,873.50/x
  3. Step 3: Cross multiply
    425,464.01x = 587,132.80 × 231,873.50
  4. Step 4: Simplify right side
    425,464.01x = 136,140,536,141.43
  5. Step 5: Solve for x
    x = 136,140,536,141.43/425,464.01
  6. Step 6: Final answer
    x = 319,981.32

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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.