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Finding the Fourth Proportional to 662,659.56, 914,446.17 and 404,967.63

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Solution

The fourth proportional to 662,659.56, 914,446.17 and 404,967.63 is: 558,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,659.56 : 914,446.17 = 404,967.63 : x
  2. Step 2: Convert to fraction form
    662,659.56/914,446.17 = 404,967.63/x
  3. Step 3: Cross multiply
    662,659.56x = 914,446.17 × 404,967.63
  4. Step 4: Simplify right side
    662,659.56x = 370,321,098,227.48
  5. Step 5: Solve for x
    x = 370,321,098,227.48/662,659.56
  6. Step 6: Final answer
    x = 558,840.65

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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.