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Finding the Fourth Proportional to 1,062.40, 1,466.07 and 590.32

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Solution

The fourth proportional to 1,062.40, 1,466.07 and 590.32 is: 814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.40 : 1,466.07 = 590.32 : x
  2. Step 2: Convert to fraction form
    1,062.40/1,466.07 = 590.32/x
  3. Step 3: Cross multiply
    1,062.40x = 1,466.07 × 590.32
  4. Step 4: Simplify right side
    1,062.40x = 865,450.44
  5. Step 5: Solve for x
    x = 865,450.44/1,062.40
  6. Step 6: Final answer
    x = 814.62

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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.