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Finding the Fourth Proportional to 502,346.56, 753,552.24 and 221,863

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Solution

The fourth proportional to 502,346.56, 753,552.24 and 221,863 is: 332,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,346.56 : 753,552.24 = 221,863 : x
  2. Step 2: Convert to fraction form
    502,346.56/753,552.24 = 221,863/x
  3. Step 3: Cross multiply
    502,346.56x = 753,552.24 × 221,863
  4. Step 4: Simplify right side
    502,346.56x = 167,185,360,623.12
  5. Step 5: Solve for x
    x = 167,185,360,623.12/502,346.56
  6. Step 6: Final answer
    x = 332,808.81

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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.