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Finding the Fourth Proportional to 539,252.66, 744,172.65 and 297,544.21

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Solution

The fourth proportional to 539,252.66, 744,172.65 and 297,544.21 is: 410,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,252.66 : 744,172.65 = 297,544.21 : x
  2. Step 2: Convert to fraction form
    539,252.66/744,172.65 = 297,544.21/x
  3. Step 3: Cross multiply
    539,252.66x = 744,172.65 × 297,544.21
  4. Step 4: Simplify right side
    539,252.66x = 221,424,261,387.43
  5. Step 5: Solve for x
    x = 221,424,261,387.43/539,252.66
  6. Step 6: Final answer
    x = 410,613.20

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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.