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Finding the Fourth Proportional to 342,419.60, 514,212.60 and 224,613.20

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Solution

The fourth proportional to 342,419.60, 514,212.60 and 224,613.20 is: 337,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,419.60 : 514,212.60 = 224,613.20 : x
  2. Step 2: Convert to fraction form
    342,419.60/514,212.60 = 224,613.20/x
  3. Step 3: Cross multiply
    342,419.60x = 514,212.60 × 224,613.20
  4. Step 4: Simplify right side
    342,419.60x = 115,498,937,566.32
  5. Step 5: Solve for x
    x = 115,498,937,566.32/342,419.60
  6. Step 6: Final answer
    x = 337,302.36

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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.