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Finding the Fourth Proportional to 373,724.80, 560,414.40 and 163,254.40

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Solution

The fourth proportional to 373,724.80, 560,414.40 and 163,254.40 is: 244,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,724.80 : 560,414.40 = 163,254.40 : x
  2. Step 2: Convert to fraction form
    373,724.80/560,414.40 = 163,254.40/x
  3. Step 3: Cross multiply
    373,724.80x = 560,414.40 × 163,254.40
  4. Step 4: Simplify right side
    373,724.80x = 91,490,116,623.36
  5. Step 5: Solve for x
    x = 91,490,116,623.36/373,724.80
  6. Step 6: Final answer
    x = 244,806.12

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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.