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Finding the Fourth Proportional to 576,998.10, 865,497.15 and 549,441.90

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Solution

The fourth proportional to 576,998.10, 865,497.15 and 549,441.90 is: 824,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,998.10 : 865,497.15 = 549,441.90 : x
  2. Step 2: Convert to fraction form
    576,998.10/865,497.15 = 549,441.90/x
  3. Step 3: Cross multiply
    576,998.10x = 865,497.15 × 549,441.90
  4. Step 4: Simplify right side
    576,998.10x = 475,540,398,540.59
  5. Step 5: Solve for x
    x = 475,540,398,540.59/576,998.10
  6. Step 6: Final answer
    x = 824,162.85

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Similar ratio
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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.