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Finding the Fourth Proportional to 439,601.60, 659,402.40 and 159,082.40

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Solution

The fourth proportional to 439,601.60, 659,402.40 and 159,082.40 is: 238,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,601.60 : 659,402.40 = 159,082.40 : x
  2. Step 2: Convert to fraction form
    439,601.60/659,402.40 = 159,082.40/x
  3. Step 3: Cross multiply
    439,601.60x = 659,402.40 × 159,082.40
  4. Step 4: Simplify right side
    439,601.60x = 104,899,316,357.76
  5. Step 5: Solve for x
    x = 104,899,316,357.76/439,601.60
  6. Step 6: Final answer
    x = 238,623.60

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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.