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Finding the Fourth Proportional to 617, 926.28 and 590.92

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Solution

The fourth proportional to 617, 926.28 and 590.92 is: 887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    617 : 926.28 = 590.92 : x
  2. Step 2: Convert to fraction form
    617/926.28 = 590.92/x
  3. Step 3: Cross multiply
    617x = 926.28 × 590.92
  4. Step 4: Simplify right side
    617x = 547,357.38
  5. Step 5: Solve for x
    x = 547,357.38/617
  6. Step 6: Final answer
    x = 887.13

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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.