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Finding the Fourth Proportional to 568,248.62, 783,935.28 and 374,407.58

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Solution

The fourth proportional to 568,248.62, 783,935.28 and 374,407.58 is: 516,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,248.62 : 783,935.28 = 374,407.58 : x
  2. Step 2: Convert to fraction form
    568,248.62/783,935.28 = 374,407.58/x
  3. Step 3: Cross multiply
    568,248.62x = 783,935.28 × 374,407.58
  4. Step 4: Simplify right side
    568,248.62x = 293,511,313,021.26
  5. Step 5: Solve for x
    x = 293,511,313,021.26/568,248.62
  6. Step 6: Final answer
    x = 516,519.19

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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.