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Finding the Fourth Proportional to 342,561.22, 472,695.04 and 197,388.16

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Solution

The fourth proportional to 342,561.22, 472,695.04 and 197,388.16 is: 272,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,561.22 : 472,695.04 = 197,388.16 : x
  2. Step 2: Convert to fraction form
    342,561.22/472,695.04 = 197,388.16/x
  3. Step 3: Cross multiply
    342,561.22x = 472,695.04 × 197,388.16
  4. Step 4: Simplify right side
    342,561.22x = 93,304,403,251.72
  5. Step 5: Solve for x
    x = 93,304,403,251.72/342,561.22
  6. Step 6: Final answer
    x = 272,372.93

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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.