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Finding the Fourth Proportional to 587,151.48, 810,288.99 and 560,247.28

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Solution

The fourth proportional to 587,151.48, 810,288.99 and 560,247.28 is: 773,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,151.48 : 810,288.99 = 560,247.28 : x
  2. Step 2: Convert to fraction form
    587,151.48/810,288.99 = 560,247.28/x
  3. Step 3: Cross multiply
    587,151.48x = 810,288.99 × 560,247.28
  4. Step 4: Simplify right side
    587,151.48x = 453,962,202,661.45
  5. Step 5: Solve for x
    x = 453,962,202,661.45/587,151.48
  6. Step 6: Final answer
    x = 773,160.28

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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.