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Finding the Fourth Proportional to 539,522.39, 744,540.93 and 297,805.02

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Solution

The fourth proportional to 539,522.39, 744,540.93 and 297,805.02 is: 410,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,522.39 : 744,540.93 = 297,805.02 : x
  2. Step 2: Convert to fraction form
    539,522.39/744,540.93 = 297,805.02/x
  3. Step 3: Cross multiply
    539,522.39x = 744,540.93 × 297,805.02
  4. Step 4: Simplify right side
    539,522.39x = 221,728,026,549.47
  5. Step 5: Solve for x
    x = 221,728,026,549.47/539,522.39
  6. Step 6: Final answer
    x = 410,970.95

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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.