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Finding the Fourth Proportional to 373,382.79, 560,077.45 and 120,663.25

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Solution

The fourth proportional to 373,382.79, 560,077.45 and 120,663.25 is: 180,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,382.79 : 560,077.45 = 120,663.25 : x
  2. Step 2: Convert to fraction form
    373,382.79/560,077.45 = 120,663.25/x
  3. Step 3: Cross multiply
    373,382.79x = 560,077.45 × 120,663.25
  4. Step 4: Simplify right side
    373,382.79x = 67,580,765,368.71
  5. Step 5: Solve for x
    x = 67,580,765,368.71/373,382.79
  6. Step 6: Final answer
    x = 180,995.93

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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.