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Finding the Fourth Proportional to 360,174.92, 497,071.32 and 199,061.42

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Solution

The fourth proportional to 360,174.92, 497,071.32 and 199,061.42 is: 274,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,174.92 : 497,071.32 = 199,061.42 : x
  2. Step 2: Convert to fraction form
    360,174.92/497,071.32 = 199,061.42/x
  3. Step 3: Cross multiply
    360,174.92x = 497,071.32 × 199,061.42
  4. Step 4: Simplify right side
    360,174.92x = 98,947,722,800.47
  5. Step 5: Solve for x
    x = 98,947,722,800.47/360,174.92
  6. Step 6: Final answer
    x = 274,721.30

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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.