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Finding the Fourth Proportional to 587,859.92, 812,065.64 and 566,012.24

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Solution

The fourth proportional to 587,859.92, 812,065.64 and 566,012.24 is: 781,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,859.92 : 812,065.64 = 566,012.24 : x
  2. Step 2: Convert to fraction form
    587,859.92/812,065.64 = 566,012.24/x
  3. Step 3: Cross multiply
    587,859.92x = 812,065.64 × 566,012.24
  4. Step 4: Simplify right side
    587,859.92x = 459,639,091,923.43
  5. Step 5: Solve for x
    x = 459,639,091,923.43/587,859.92
  6. Step 6: Final answer
    x = 781,885.41

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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.