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Finding the Fourth Proportional to 550,230.30, 825,345.45 and 474,122.70

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Solution

The fourth proportional to 550,230.30, 825,345.45 and 474,122.70 is: 711,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,230.30 : 825,345.45 = 474,122.70 : x
  2. Step 2: Convert to fraction form
    550,230.30/825,345.45 = 474,122.70/x
  3. Step 3: Cross multiply
    550,230.30x = 825,345.45 × 474,122.70
  4. Step 4: Simplify right side
    550,230.30x = 391,315,013,186.72
  5. Step 5: Solve for x
    x = 391,315,013,186.72/550,230.30
  6. Step 6: Final answer
    x = 711,184.05

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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.