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Finding the Fourth Proportional to 869,561.86, 1,199,486.97 and 546,760.90

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Solution

The fourth proportional to 869,561.86, 1,199,486.97 and 546,760.90 is: 754,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,561.86 : 1,199,486.97 = 546,760.90 : x
  2. Step 2: Convert to fraction form
    869,561.86/1,199,486.97 = 546,760.90/x
  3. Step 3: Cross multiply
    869,561.86x = 1,199,486.97 × 546,760.90
  4. Step 4: Simplify right side
    869,561.86x = 655,832,575,255.47
  5. Step 5: Solve for x
    x = 655,832,575,255.47/869,561.86
  6. Step 6: Final answer
    x = 754,210.37

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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.