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Finding the Fourth Proportional to 366,978.35, 550,467.53 and 156,637.55

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Solution

The fourth proportional to 366,978.35, 550,467.53 and 156,637.55 is: 234,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,978.35 : 550,467.53 = 156,637.55 : x
  2. Step 2: Convert to fraction form
    366,978.35/550,467.53 = 156,637.55/x
  3. Step 3: Cross multiply
    366,978.35x = 550,467.53 × 156,637.55
  4. Step 4: Simplify right side
    366,978.35x = 86,223,885,253.75
  5. Step 5: Solve for x
    x = 86,223,885,253.75/366,978.35
  6. Step 6: Final answer
    x = 234,956.33

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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.