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Finding the Fourth Proportional to 332,659.35, 498,715.65 and 143,265.15

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Solution

The fourth proportional to 332,659.35, 498,715.65 and 143,265.15 is: 214,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,659.35 : 498,715.65 = 143,265.15 : x
  2. Step 2: Convert to fraction form
    332,659.35/498,715.65 = 143,265.15/x
  3. Step 3: Cross multiply
    332,659.35x = 498,715.65 × 143,265.15
  4. Step 4: Simplify right side
    332,659.35x = 71,448,572,404.60
  5. Step 5: Solve for x
    x = 71,448,572,404.60/332,659.35
  6. Step 6: Final answer
    x = 214,779.99

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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.