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Finding the Fourth Proportional to 581,517.58, 871,919.16 and 226,117.32

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Solution

The fourth proportional to 581,517.58, 871,919.16 and 226,117.32 is: 339,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,517.58 : 871,919.16 = 226,117.32 : x
  2. Step 2: Convert to fraction form
    581,517.58/871,919.16 = 226,117.32/x
  3. Step 3: Cross multiply
    581,517.58x = 871,919.16 × 226,117.32
  4. Step 4: Simplify right side
    581,517.58x = 197,156,023,715.85
  5. Step 5: Solve for x
    x = 197,156,023,715.85/581,517.58
  6. Step 6: Final answer
    x = 339,037.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.