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Finding the Fourth Proportional to 539,228.16, 744,137.28 and 297,517.76

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Solution

The fourth proportional to 539,228.16, 744,137.28 and 297,517.76 is: 410,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,228.16 : 744,137.28 = 297,517.76 : x
  2. Step 2: Convert to fraction form
    539,228.16/744,137.28 = 297,517.76/x
  3. Step 3: Cross multiply
    539,228.16x = 744,137.28 × 297,517.76
  4. Step 4: Simplify right side
    539,228.16x = 221,394,056,678.09
  5. Step 5: Solve for x
    x = 221,394,056,678.09/539,228.16
  6. Step 6: Final answer
    x = 410,575.84

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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.