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Finding the Fourth Proportional to 617,257.05, 925,387.29 and 567,434.40

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Solution

The fourth proportional to 617,257.05, 925,387.29 and 567,434.40 is: 850,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,257.05 : 925,387.29 = 567,434.40 : x
  2. Step 2: Convert to fraction form
    617,257.05/925,387.29 = 567,434.40/x
  3. Step 3: Cross multiply
    617,257.05x = 925,387.29 × 567,434.40
  4. Step 4: Simplify right side
    617,257.05x = 525,096,581,668.78
  5. Step 5: Solve for x
    x = 525,096,581,668.78/617,257.05
  6. Step 6: Final answer
    x = 850,693.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.