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Finding the Fourth Proportional to 671,167.60, 1,005,714.60 and 582,002.80

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Solution

The fourth proportional to 671,167.60, 1,005,714.60 and 582,002.80 is: 872,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,167.60 : 1,005,714.60 = 582,002.80 : x
  2. Step 2: Convert to fraction form
    671,167.60/1,005,714.60 = 582,002.80/x
  3. Step 3: Cross multiply
    671,167.60x = 1,005,714.60 × 582,002.80
  4. Step 4: Simplify right side
    671,167.60x = 585,328,713,200.88
  5. Step 5: Solve for x
    x = 585,328,713,200.88/671,167.60
  6. Step 6: Final answer
    x = 872,105.14

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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.