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Finding the Fourth Proportional to 768,744.90, 1,153,117.35 and 732,003.30

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Solution

The fourth proportional to 768,744.90, 1,153,117.35 and 732,003.30 is: 1,098,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,744.90 : 1,153,117.35 = 732,003.30 : x
  2. Step 2: Convert to fraction form
    768,744.90/1,153,117.35 = 732,003.30/x
  3. Step 3: Cross multiply
    768,744.90x = 1,153,117.35 × 732,003.30
  4. Step 4: Simplify right side
    768,744.90x = 844,085,705,487.26
  5. Step 5: Solve for x
    x = 844,085,705,487.26/768,744.90
  6. Step 6: Final answer
    x = 1,098,004.95

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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.