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Finding the Fourth Proportional to 379,545.79, 523,757.46 and 226,608.88

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Solution

The fourth proportional to 379,545.79, 523,757.46 and 226,608.88 is: 312,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,545.79 : 523,757.46 = 226,608.88 : x
  2. Step 2: Convert to fraction form
    379,545.79/523,757.46 = 226,608.88/x
  3. Step 3: Cross multiply
    379,545.79x = 523,757.46 × 226,608.88
  4. Step 4: Simplify right side
    379,545.79x = 118,688,091,402.25
  5. Step 5: Solve for x
    x = 118,688,091,402.25/379,545.79
  6. Step 6: Final answer
    x = 312,710.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.