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Finding the Fourth Proportional to 768,151.68, 1,059,891.04 and 441,401.57

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Solution

The fourth proportional to 768,151.68, 1,059,891.04 and 441,401.57 is: 609,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,151.68 : 1,059,891.04 = 441,401.57 : x
  2. Step 2: Convert to fraction form
    768,151.68/1,059,891.04 = 441,401.57/x
  3. Step 3: Cross multiply
    768,151.68x = 1,059,891.04 × 441,401.57
  4. Step 4: Simplify right side
    768,151.68x = 467,837,569,084.93
  5. Step 5: Solve for x
    x = 467,837,569,084.93/768,151.68
  6. Step 6: Final answer
    x = 609,043.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.