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Finding the Fourth Proportional to 549,008.60, 822,476.10 and 281,859.80

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Solution

The fourth proportional to 549,008.60, 822,476.10 and 281,859.80 is: 422,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,008.60 : 822,476.10 = 281,859.80 : x
  2. Step 2: Convert to fraction form
    549,008.60/822,476.10 = 281,859.80/x
  3. Step 3: Cross multiply
    549,008.60x = 822,476.10 × 281,859.80
  4. Step 4: Simplify right side
    549,008.60x = 231,822,949,050.78
  5. Step 5: Solve for x
    x = 231,822,949,050.78/549,008.60
  6. Step 6: Final answer
    x = 422,257.41

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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.