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Finding the Fourth Proportional to 427,763.46, 590,168.97 and 246,470.70

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Solution

The fourth proportional to 427,763.46, 590,168.97 and 246,470.70 is: 340,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,763.46 : 590,168.97 = 246,470.70 : x
  2. Step 2: Convert to fraction form
    427,763.46/590,168.97 = 246,470.70/x
  3. Step 3: Cross multiply
    427,763.46x = 590,168.97 × 246,470.70
  4. Step 4: Simplify right side
    427,763.46x = 145,459,359,154.18
  5. Step 5: Solve for x
    x = 145,459,359,154.18/427,763.46
  6. Step 6: Final answer
    x = 340,046.25

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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.