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Finding the Fourth Proportional to 551,460.20, 827,190.30 and 502,471.40

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Solution

The fourth proportional to 551,460.20, 827,190.30 and 502,471.40 is: 753,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,460.20 : 827,190.30 = 502,471.40 : x
  2. Step 2: Convert to fraction form
    551,460.20/827,190.30 = 502,471.40/x
  3. Step 3: Cross multiply
    551,460.20x = 827,190.30 × 502,471.40
  4. Step 4: Simplify right side
    551,460.20x = 415,639,468,107.42
  5. Step 5: Solve for x
    x = 415,639,468,107.42/551,460.20
  6. Step 6: Final answer
    x = 753,707.10

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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.