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Finding the Fourth Proportional to 568,977.78, 785,205.18 and 314,345.38

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Solution

The fourth proportional to 568,977.78, 785,205.18 and 314,345.38 is: 433,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,977.78 : 785,205.18 = 314,345.38 : x
  2. Step 2: Convert to fraction form
    568,977.78/785,205.18 = 314,345.38/x
  3. Step 3: Cross multiply
    568,977.78x = 785,205.18 × 314,345.38
  4. Step 4: Simplify right side
    568,977.78x = 246,825,620,685.07
  5. Step 5: Solve for x
    x = 246,825,620,685.07/568,977.78
  6. Step 6: Final answer
    x = 433,805.38

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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.