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Finding the Fourth Proportional to 539,340.02, 744,257.14 and 297,645.33

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Solution

The fourth proportional to 539,340.02, 744,257.14 and 297,645.33 is: 410,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,340.02 : 744,257.14 = 297,645.33 : x
  2. Step 2: Convert to fraction form
    539,340.02/744,257.14 = 297,645.33/x
  3. Step 3: Cross multiply
    539,340.02x = 744,257.14 × 297,645.33
  4. Step 4: Simplify right side
    539,340.02x = 221,524,662,040.16
  5. Step 5: Solve for x
    x = 221,524,662,040.16/539,340.02
  6. Step 6: Final answer
    x = 410,732.85

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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.