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Finding the Fourth Proportional to 393,460.08, 542,959.20 and 232,367.04

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Solution

The fourth proportional to 393,460.08, 542,959.20 and 232,367.04 is: 320,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,460.08 : 542,959.20 = 232,367.04 : x
  2. Step 2: Convert to fraction form
    393,460.08/542,959.20 = 232,367.04/x
  3. Step 3: Cross multiply
    393,460.08x = 542,959.20 × 232,367.04
  4. Step 4: Simplify right side
    393,460.08x = 126,165,822,144.77
  5. Step 5: Solve for x
    x = 126,165,822,144.77/393,460.08
  6. Step 6: Final answer
    x = 320,657.24

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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.