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Finding the Fourth Proportional to 576,332.50, 864,540.26 and 221,346.52

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Solution

The fourth proportional to 576,332.50, 864,540.26 and 221,346.52 is: 332,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,332.50 : 864,540.26 = 221,346.52 : x
  2. Step 2: Convert to fraction form
    576,332.50/864,540.26 = 221,346.52/x
  3. Step 3: Cross multiply
    576,332.50x = 864,540.26 × 221,346.52
  4. Step 4: Simplify right side
    576,332.50x = 191,362,972,521.46
  5. Step 5: Solve for x
    x = 191,362,972,521.46/576,332.50
  6. Step 6: Final answer
    x = 332,035.72

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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.