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Finding the Fourth Proportional to 568,759.62, 785,243.28 and 362,144.64

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Solution

The fourth proportional to 568,759.62, 785,243.28 and 362,144.64 is: 499,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,759.62 : 785,243.28 = 362,144.64 : x
  2. Step 2: Convert to fraction form
    568,759.62/785,243.28 = 362,144.64/x
  3. Step 3: Cross multiply
    568,759.62x = 785,243.28 × 362,144.64
  4. Step 4: Simplify right side
    568,759.62x = 284,371,644,948.02
  5. Step 5: Solve for x
    x = 284,371,644,948.02/568,759.62
  6. Step 6: Final answer
    x = 499,985.64

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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.