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Finding the Fourth Proportional to 1,062.74, 1,466.55 and 590.63

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Solution

The fourth proportional to 1,062.74, 1,466.55 and 590.63 is: 815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.74 : 1,466.55 = 590.63 : x
  2. Step 2: Convert to fraction form
    1,062.74/1,466.55 = 590.63/x
  3. Step 3: Cross multiply
    1,062.74x = 1,466.55 × 590.63
  4. Step 4: Simplify right side
    1,062.74x = 866,182.20
  5. Step 5: Solve for x
    x = 866,182.20/1,062.74
  6. Step 6: Final answer
    x = 815.05

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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.