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Finding the Fourth Proportional to 347,404.60, 521,106.90 and 160,314.04

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Solution

The fourth proportional to 347,404.60, 521,106.90 and 160,314.04 is: 240,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,404.60 : 521,106.90 = 160,314.04 : x
  2. Step 2: Convert to fraction form
    347,404.60/521,106.90 = 160,314.04/x
  3. Step 3: Cross multiply
    347,404.60x = 521,106.90 × 160,314.04
  4. Step 4: Simplify right side
    347,404.60x = 83,540,752,410.88
  5. Step 5: Solve for x
    x = 83,540,752,410.88/347,404.60
  6. Step 6: Final answer
    x = 240,471.06

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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.