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Finding the Fourth Proportional to 439,475.60, 659,213.40 and 107,051.60

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Solution

The fourth proportional to 439,475.60, 659,213.40 and 107,051.60 is: 160,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,475.60 : 659,213.40 = 107,051.60 : x
  2. Step 2: Convert to fraction form
    439,475.60/659,213.40 = 107,051.60/x
  3. Step 3: Cross multiply
    439,475.60x = 659,213.40 × 107,051.60
  4. Step 4: Simplify right side
    439,475.60x = 70,569,849,211.44
  5. Step 5: Solve for x
    x = 70,569,849,211.44/439,475.60
  6. Step 6: Final answer
    x = 160,577.40

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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.