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Finding the Fourth Proportional to 833.13, 1,248.48 and 590.13

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Solution

The fourth proportional to 833.13, 1,248.48 and 590.13 is: 884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.13 : 1,248.48 = 590.13 : x
  2. Step 2: Convert to fraction form
    833.13/1,248.48 = 590.13/x
  3. Step 3: Cross multiply
    833.13x = 1,248.48 × 590.13
  4. Step 4: Simplify right side
    833.13x = 736,765.50
  5. Step 5: Solve for x
    x = 736,765.50/833.13
  6. Step 6: Final answer
    x = 884.33

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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.