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Finding the Fourth Proportional to 543,306.30, 814,959.45 and 277,585.80

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Solution

The fourth proportional to 543,306.30, 814,959.45 and 277,585.80 is: 416,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,306.30 : 814,959.45 = 277,585.80 : x
  2. Step 2: Convert to fraction form
    543,306.30/814,959.45 = 277,585.80/x
  3. Step 3: Cross multiply
    543,306.30x = 814,959.45 × 277,585.80
  4. Step 4: Simplify right side
    543,306.30x = 226,221,170,895.81
  5. Step 5: Solve for x
    x = 226,221,170,895.81/543,306.30
  6. Step 6: Final answer
    x = 416,378.70

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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.