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Finding the Fourth Proportional to 581,338.64, 871,999.28 and 160,605.20

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Solution

The fourth proportional to 581,338.64, 871,999.28 and 160,605.20 is: 240,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,338.64 : 871,999.28 = 160,605.20 : x
  2. Step 2: Convert to fraction form
    581,338.64/871,999.28 = 160,605.20/x
  3. Step 3: Cross multiply
    581,338.64x = 871,999.28 × 160,605.20
  4. Step 4: Simplify right side
    581,338.64x = 140,047,618,764.26
  5. Step 5: Solve for x
    x = 140,047,618,764.26/581,338.64
  6. Step 6: Final answer
    x = 240,905.40

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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.