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Finding the Fourth Proportional to 341,799.42, 512,365.92 and 136,572.91

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Solution

The fourth proportional to 341,799.42, 512,365.92 and 136,572.91 is: 204,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,799.42 : 512,365.92 = 136,572.91 : x
  2. Step 2: Convert to fraction form
    341,799.42/512,365.92 = 136,572.91/x
  3. Step 3: Cross multiply
    341,799.42x = 512,365.92 × 136,572.91
  4. Step 4: Simplify right side
    341,799.42x = 69,975,304,679.23
  5. Step 5: Solve for x
    x = 69,975,304,679.23/341,799.42
  6. Step 6: Final answer
    x = 204,726.22

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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.