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Finding the Fourth Proportional to 439,454.44, 606,470.34 and 278,250.76

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Solution

The fourth proportional to 439,454.44, 606,470.34 and 278,250.76 is: 384,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,454.44 : 606,470.34 = 278,250.76 : x
  2. Step 2: Convert to fraction form
    439,454.44/606,470.34 = 278,250.76/x
  3. Step 3: Cross multiply
    439,454.44x = 606,470.34 × 278,250.76
  4. Step 4: Simplify right side
    439,454.44x = 168,750,833,022.46
  5. Step 5: Solve for x
    x = 168,750,833,022.46/439,454.44
  6. Step 6: Final answer
    x = 384,000.75

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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.