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Finding the Fourth Proportional to 581,193.60, 871,617.60 and 226,003.20

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Solution

The fourth proportional to 581,193.60, 871,617.60 and 226,003.20 is: 338,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,193.60 : 871,617.60 = 226,003.20 : x
  2. Step 2: Convert to fraction form
    581,193.60/871,617.60 = 226,003.20/x
  3. Step 3: Cross multiply
    581,193.60x = 871,617.60 × 226,003.20
  4. Step 4: Simplify right side
    581,193.60x = 196,988,366,776.32
  5. Step 5: Solve for x
    x = 196,988,366,776.32/581,193.60
  6. Step 6: Final answer
    x = 338,937.60

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Double scale
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Similar ratio
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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.