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Finding the Fourth Proportional to 694,225.92, 958,019.09 and 392,419.92

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Solution

The fourth proportional to 694,225.92, 958,019.09 and 392,419.92 is: 541,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,225.92 : 958,019.09 = 392,419.92 : x
  2. Step 2: Convert to fraction form
    694,225.92/958,019.09 = 392,419.92/x
  3. Step 3: Cross multiply
    694,225.92x = 958,019.09 × 392,419.92
  4. Step 4: Simplify right side
    694,225.92x = 375,945,772,694.17
  5. Step 5: Solve for x
    x = 375,945,772,694.17/694,225.92
  6. Step 6: Final answer
    x = 541,532.32

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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.