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Finding the Fourth Proportional to 373,909.77, 560,938.59 and 137,254.50

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Solution

The fourth proportional to 373,909.77, 560,938.59 and 137,254.50 is: 205,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,909.77 : 560,938.59 = 137,254.50 : x
  2. Step 2: Convert to fraction form
    373,909.77/560,938.59 = 137,254.50/x
  3. Step 3: Cross multiply
    373,909.77x = 560,938.59 × 137,254.50
  4. Step 4: Simplify right side
    373,909.77x = 76,991,345,701.16
  5. Step 5: Solve for x
    x = 76,991,345,701.16/373,909.77
  6. Step 6: Final answer
    x = 205,908.89

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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.