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Finding the Fourth Proportional to 342,451.20, 473,034.12 and 262,862.16

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Solution

The fourth proportional to 342,451.20, 473,034.12 and 262,862.16 is: 363,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,451.20 : 473,034.12 = 262,862.16 : x
  2. Step 2: Convert to fraction form
    342,451.20/473,034.12 = 262,862.16/x
  3. Step 3: Cross multiply
    342,451.20x = 473,034.12 × 262,862.16
  4. Step 4: Simplify right side
    342,451.20x = 124,342,770,536.90
  5. Step 5: Solve for x
    x = 124,342,770,536.90/342,451.20
  6. Step 6: Final answer
    x = 363,096.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.