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Finding the Fourth Proportional to 576,259.20, 866,281.86 and 534,642.18

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Solution

The fourth proportional to 576,259.20, 866,281.86 and 534,642.18 is: 803,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,259.20 : 866,281.86 = 534,642.18 : x
  2. Step 2: Convert to fraction form
    576,259.20/866,281.86 = 534,642.18/x
  3. Step 3: Cross multiply
    576,259.20x = 866,281.86 × 534,642.18
  4. Step 4: Simplify right side
    576,259.20x = 463,150,822,124.86
  5. Step 5: Solve for x
    x = 463,150,822,124.86/576,259.20
  6. Step 6: Final answer
    x = 803,719.61

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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.