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Finding the Fourth Proportional to 717,779.60, 1,074,595.80 and 437,843.60

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Solution

The fourth proportional to 717,779.60, 1,074,595.80 and 437,843.60 is: 655,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,779.60 : 1,074,595.80 = 437,843.60 : x
  2. Step 2: Convert to fraction form
    717,779.60/1,074,595.80 = 437,843.60/x
  3. Step 3: Cross multiply
    717,779.60x = 1,074,595.80 × 437,843.60
  4. Step 4: Simplify right side
    717,779.60x = 470,504,893,616.88
  5. Step 5: Solve for x
    x = 470,504,893,616.88/717,779.60
  6. Step 6: Final answer
    x = 655,500.51

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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.