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Finding the Fourth Proportional to 651,307.20, 976,960.80 and 601,540.80

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Solution

The fourth proportional to 651,307.20, 976,960.80 and 601,540.80 is: 902,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,307.20 : 976,960.80 = 601,540.80 : x
  2. Step 2: Convert to fraction form
    651,307.20/976,960.80 = 601,540.80/x
  3. Step 3: Cross multiply
    651,307.20x = 976,960.80 × 601,540.80
  4. Step 4: Simplify right side
    651,307.20x = 587,681,781,200.64
  5. Step 5: Solve for x
    x = 587,681,781,200.64/651,307.20
  6. Step 6: Final answer
    x = 902,311.20

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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.