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Finding the Fourth Proportional to 373,707.72, 560,956.11 and 174,220.50

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Solution

The fourth proportional to 373,707.72, 560,956.11 and 174,220.50 is: 261,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,707.72 : 560,956.11 = 174,220.50 : x
  2. Step 2: Convert to fraction form
    373,707.72/560,956.11 = 174,220.50/x
  3. Step 3: Cross multiply
    373,707.72x = 560,956.11 × 174,220.50
  4. Step 4: Simplify right side
    373,707.72x = 97,730,053,962.26
  5. Step 5: Solve for x
    x = 97,730,053,962.26/373,707.72
  6. Step 6: Final answer
    x = 261,514.68

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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.