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Finding the Fourth Proportional to 591,008.20, 886,512.30 and 164,543.20

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Solution

The fourth proportional to 591,008.20, 886,512.30 and 164,543.20 is: 246,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,008.20 : 886,512.30 = 164,543.20 : x
  2. Step 2: Convert to fraction form
    591,008.20/886,512.30 = 164,543.20/x
  3. Step 3: Cross multiply
    591,008.20x = 886,512.30 × 164,543.20
  4. Step 4: Simplify right side
    591,008.20x = 145,869,570,681.36
  5. Step 5: Solve for x
    x = 145,869,570,681.36/591,008.20
  6. Step 6: Final answer
    x = 246,814.80

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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.