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Finding the Fourth Proportional to 310,838.20, 466,487.70 and 227,894.20

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Solution

The fourth proportional to 310,838.20, 466,487.70 and 227,894.20 is: 342,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,838.20 : 466,487.70 = 227,894.20 : x
  2. Step 2: Convert to fraction form
    310,838.20/466,487.70 = 227,894.20/x
  3. Step 3: Cross multiply
    310,838.20x = 466,487.70 × 227,894.20
  4. Step 4: Simplify right side
    310,838.20x = 106,309,841,201.34
  5. Step 5: Solve for x
    x = 106,309,841,201.34/310,838.20
  6. Step 6: Final answer
    x = 342,010.22

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1.5x scale

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.