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Finding the Fourth Proportional to 484,508.23, 668,470.85 and 274,921.74

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Solution

The fourth proportional to 484,508.23, 668,470.85 and 274,921.74 is: 379,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,508.23 : 668,470.85 = 274,921.74 : x
  2. Step 2: Convert to fraction form
    484,508.23/668,470.85 = 274,921.74/x
  3. Step 3: Cross multiply
    484,508.23x = 668,470.85 × 274,921.74
  4. Step 4: Simplify right side
    484,508.23x = 183,777,167,846.67
  5. Step 5: Solve for x
    x = 183,777,167,846.67/484,508.23
  6. Step 6: Final answer
    x = 379,306.60

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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.