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Finding the Fourth Proportional to 568,760.25, 785,244.14 and 362,145.25

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Solution

The fourth proportional to 568,760.25, 785,244.14 and 362,145.25 is: 499,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,760.25 : 785,244.14 = 362,145.25 : x
  2. Step 2: Convert to fraction form
    568,760.25/785,244.14 = 362,145.25/x
  3. Step 3: Cross multiply
    568,760.25x = 785,244.14 × 362,145.25
  4. Step 4: Simplify right side
    568,760.25x = 284,372,435,391.34
  5. Step 5: Solve for x
    x = 284,372,435,391.34/568,760.25
  6. Step 6: Final answer
    x = 499,986.48

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Double scale
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Similar ratio
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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.