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Finding the Fourth Proportional to 366,988.35, 550,482.53 and 266,937.15

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Solution

The fourth proportional to 366,988.35, 550,482.53 and 266,937.15 is: 400,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.35 : 550,482.53 = 266,937.15 : x
  2. Step 2: Convert to fraction form
    366,988.35/550,482.53 = 266,937.15/x
  3. Step 3: Cross multiply
    366,988.35x = 550,482.53 × 266,937.15
  4. Step 4: Simplify right side
    366,988.35x = 146,944,236,348.30
  5. Step 5: Solve for x
    x = 146,944,236,348.30/366,988.35
  6. Step 6: Final answer
    x = 400,405.73

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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.