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Finding the Fourth Proportional to 432,084.33, 648,227.30 and 147,777.08

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Solution

The fourth proportional to 432,084.33, 648,227.30 and 147,777.08 is: 221,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,084.33 : 648,227.30 = 147,777.08 : x
  2. Step 2: Convert to fraction form
    432,084.33/648,227.30 = 147,777.08/x
  3. Step 3: Cross multiply
    432,084.33x = 648,227.30 × 147,777.08
  4. Step 4: Simplify right side
    432,084.33x = 95,793,133,590.26
  5. Step 5: Solve for x
    x = 95,793,133,590.26/432,084.33
  6. Step 6: Final answer
    x = 221,700.09

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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.