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Finding the Fourth Proportional to 295,301.60, 443,017.20 and 145,613.60

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Solution

The fourth proportional to 295,301.60, 443,017.20 and 145,613.60 is: 218,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,301.60 : 443,017.20 = 145,613.60 : x
  2. Step 2: Convert to fraction form
    295,301.60/443,017.20 = 145,613.60/x
  3. Step 3: Cross multiply
    295,301.60x = 443,017.20 × 145,613.60
  4. Step 4: Simplify right side
    295,301.60x = 64,509,329,353.92
  5. Step 5: Solve for x
    x = 64,509,329,353.92/295,301.60
  6. Step 6: Final answer
    x = 218,452.35

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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.