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Finding the Fourth Proportional to 502,464.40, 753,466.20 and 221,837.20

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Solution

The fourth proportional to 502,464.40, 753,466.20 and 221,837.20 is: 332,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,464.40 : 753,466.20 = 221,837.20 : x
  2. Step 2: Convert to fraction form
    502,464.40/753,466.20 = 221,837.20/x
  3. Step 3: Cross multiply
    502,464.40x = 753,466.20 × 221,837.20
  4. Step 4: Simplify right side
    502,464.40x = 167,146,832,102.64
  5. Step 5: Solve for x
    x = 167,146,832,102.64/502,464.40
  6. Step 6: Final answer
    x = 332,654.08

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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.