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Finding the Fourth Proportional to 551,464.20, 827,196.30 and 502,475.40

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Solution

The fourth proportional to 551,464.20, 827,196.30 and 502,475.40 is: 753,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,464.20 : 827,196.30 = 502,475.40 : x
  2. Step 2: Convert to fraction form
    551,464.20/827,196.30 = 502,475.40/x
  3. Step 3: Cross multiply
    551,464.20x = 827,196.30 × 502,475.40
  4. Step 4: Simplify right side
    551,464.20x = 415,645,791,721.02
  5. Step 5: Solve for x
    x = 415,645,791,721.02/551,464.20
  6. Step 6: Final answer
    x = 753,713.10

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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.