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Finding the Fourth Proportional to 488,556.40, 732,834.60 and 156,132.40

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Solution

The fourth proportional to 488,556.40, 732,834.60 and 156,132.40 is: 234,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,556.40 : 732,834.60 = 156,132.40 : x
  2. Step 2: Convert to fraction form
    488,556.40/732,834.60 = 156,132.40/x
  3. Step 3: Cross multiply
    488,556.40x = 732,834.60 × 156,132.40
  4. Step 4: Simplify right side
    488,556.40x = 114,419,224,901.04
  5. Step 5: Solve for x
    x = 114,419,224,901.04/488,556.40
  6. Step 6: Final answer
    x = 234,198.60

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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.