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Finding the Fourth Proportional to 995,452.80, 1,493,524.80 and 434,659.20

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Solution

The fourth proportional to 995,452.80, 1,493,524.80 and 434,659.20 is: 652,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,452.80 : 1,493,524.80 = 434,659.20 : x
  2. Step 2: Convert to fraction form
    995,452.80/1,493,524.80 = 434,659.20/x
  3. Step 3: Cross multiply
    995,452.80x = 1,493,524.80 × 434,659.20
  4. Step 4: Simplify right side
    995,452.80x = 649,174,294,748.16
  5. Step 5: Solve for x
    x = 649,174,294,748.16/995,452.80
  6. Step 6: Final answer
    x = 652,139.70

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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.