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Finding the Fourth Proportional to 1,062.33, 1,465.90 and 590.13

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Solution

The fourth proportional to 1,062.33, 1,465.90 and 590.13 is: 814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.33 : 1,465.90 = 590.13 : x
  2. Step 2: Convert to fraction form
    1,062.33/1,465.90 = 590.13/x
  3. Step 3: Cross multiply
    1,062.33x = 1,465.90 × 590.13
  4. Step 4: Simplify right side
    1,062.33x = 865,071.57
  5. Step 5: Solve for x
    x = 865,071.57/1,062.33
  6. Step 6: Final answer
    x = 814.32

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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.