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Finding the Fourth Proportional to 539,523.14, 744,541.97 and 297,805.77

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Solution

The fourth proportional to 539,523.14, 744,541.97 and 297,805.77 is: 410,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,523.14 : 744,541.97 = 297,805.77 : x
  2. Step 2: Convert to fraction form
    539,523.14/744,541.97 = 297,805.77/x
  3. Step 3: Cross multiply
    539,523.14x = 744,541.97 × 297,805.77
  4. Step 4: Simplify right side
    539,523.14x = 221,728,894,673.17
  5. Step 5: Solve for x
    x = 221,728,894,673.17/539,523.14
  6. Step 6: Final answer
    x = 410,971.98

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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.