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Finding the Fourth Proportional to 539,305.53, 744,219.86 and 297,584.95

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Solution

The fourth proportional to 539,305.53, 744,219.86 and 297,584.95 is: 410,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,305.53 : 744,219.86 = 297,584.95 : x
  2. Step 2: Convert to fraction form
    539,305.53/744,219.86 = 297,584.95/x
  3. Step 3: Cross multiply
    539,305.53x = 744,219.86 × 297,584.95
  4. Step 4: Simplify right side
    539,305.53x = 221,468,629,827.11
  5. Step 5: Solve for x
    x = 221,468,629,827.11/539,305.53
  6. Step 6: Final answer
    x = 410,655.22

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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.