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Finding the Fourth Proportional to 539,544.45, 744,571.49 and 297,827.18

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Solution

The fourth proportional to 539,544.45, 744,571.49 and 297,827.18 is: 411,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,544.45 : 744,571.49 = 297,827.18 : x
  2. Step 2: Convert to fraction form
    539,544.45/744,571.49 = 297,827.18/x
  3. Step 3: Cross multiply
    539,544.45x = 744,571.49 × 297,827.18
  4. Step 4: Simplify right side
    539,544.45x = 221,753,627,175.10
  5. Step 5: Solve for x
    x = 221,753,627,175.10/539,544.45
  6. Step 6: Final answer
    x = 411,001.59

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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.