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Finding the Fourth Proportional to 366,955.35, 550,433.03 and 156,614.55

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Solution

The fourth proportional to 366,955.35, 550,433.03 and 156,614.55 is: 234,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,955.35 : 550,433.03 = 156,614.55 : x
  2. Step 2: Convert to fraction form
    366,955.35/550,433.03 = 156,614.55/x
  3. Step 3: Cross multiply
    366,955.35x = 550,433.03 × 156,614.55
  4. Step 4: Simplify right side
    366,955.35x = 86,205,820,515.51
  5. Step 5: Solve for x
    x = 86,205,820,515.51/366,955.35
  6. Step 6: Final answer
    x = 234,921.83

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1.5x scale

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.