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Finding the Fourth Proportional to 539,544.91, 744,567.78 and 297,827.56

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Solution

The fourth proportional to 539,544.91, 744,567.78 and 297,827.56 is: 410,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,544.91 : 744,567.78 = 297,827.56 : x
  2. Step 2: Convert to fraction form
    539,544.91/744,567.78 = 297,827.56/x
  3. Step 3: Cross multiply
    539,544.91x = 744,567.78 × 297,827.56
  4. Step 4: Simplify right side
    539,544.91x = 221,752,805,172.02
  5. Step 5: Solve for x
    x = 221,752,805,172.02/539,544.91
  6. Step 6: Final answer
    x = 410,999.72

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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.