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Finding the Fourth Proportional to 296,567.60, 444,808.20 and 86,183.60

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Solution

The fourth proportional to 296,567.60, 444,808.20 and 86,183.60 is: 129,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,567.60 : 444,808.20 = 86,183.60 : x
  2. Step 2: Convert to fraction form
    296,567.60/444,808.20 = 86,183.60/x
  3. Step 3: Cross multiply
    296,567.60x = 444,808.20 × 86,183.60
  4. Step 4: Simplify right side
    296,567.60x = 38,335,171,985.52
  5. Step 5: Solve for x
    x = 38,335,171,985.52/296,567.60
  6. Step 6: Final answer
    x = 129,262.85

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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.