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Finding the Fourth Proportional to 604,976.79, 907,490.22 and 178,512.61

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Solution

The fourth proportional to 604,976.79, 907,490.22 and 178,512.61 is: 267,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,976.79 : 907,490.22 = 178,512.61 : x
  2. Step 2: Convert to fraction form
    604,976.79/907,490.22 = 178,512.61/x
  3. Step 3: Cross multiply
    604,976.79x = 907,490.22 × 178,512.61
  4. Step 4: Simplify right side
    604,976.79x = 161,998,447,238.17
  5. Step 5: Solve for x
    x = 161,998,447,238.17/604,976.79
  6. Step 6: Final answer
    x = 267,776.30

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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.