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Finding the Fourth Proportional to 504,591.84, 696,321.84 and 278,237.28

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Solution

The fourth proportional to 504,591.84, 696,321.84 and 278,237.28 is: 383,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,591.84 : 696,321.84 = 278,237.28 : x
  2. Step 2: Convert to fraction form
    504,591.84/696,321.84 = 278,237.28/x
  3. Step 3: Cross multiply
    504,591.84x = 696,321.84 × 278,237.28
  4. Step 4: Simplify right side
    504,591.84x = 193,742,694,766.20
  5. Step 5: Solve for x
    x = 193,742,694,766.20/504,591.84
  6. Step 6: Final answer
    x = 383,959.23

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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.