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Finding the Fourth Proportional to 366,988.30, 550,482.45 and 227,020.30

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Solution

The fourth proportional to 366,988.30, 550,482.45 and 227,020.30 is: 340,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.30 : 550,482.45 = 227,020.30 : x
  2. Step 2: Convert to fraction form
    366,988.30/550,482.45 = 227,020.30/x
  3. Step 3: Cross multiply
    366,988.30x = 550,482.45 × 227,020.30
  4. Step 4: Simplify right side
    366,988.30x = 124,970,690,943.74
  5. Step 5: Solve for x
    x = 124,970,690,943.74/366,988.30
  6. Step 6: Final answer
    x = 340,530.45

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Double scale
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Similar ratio
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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.