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Finding the Fourth Proportional to 423,635.46, 584,470.74 and 270,763.14

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Solution

The fourth proportional to 423,635.46, 584,470.74 and 270,763.14 is: 373,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,635.46 : 584,470.74 = 270,763.14 : x
  2. Step 2: Convert to fraction form
    423,635.46/584,470.74 = 270,763.14/x
  3. Step 3: Cross multiply
    423,635.46x = 584,470.74 × 270,763.14
  4. Step 4: Simplify right side
    423,635.46x = 158,253,132,800.52
  5. Step 5: Solve for x
    x = 158,253,132,800.52/423,635.46
  6. Step 6: Final answer
    x = 373,559.69

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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.