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Finding the Fourth Proportional to 1,062.79, 1,466.62 and 590.68

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Solution

The fourth proportional to 1,062.79, 1,466.62 and 590.68 is: 815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.79 : 1,466.62 = 590.68 : x
  2. Step 2: Convert to fraction form
    1,062.79/1,466.62 = 590.68/x
  3. Step 3: Cross multiply
    1,062.79x = 1,466.62 × 590.68
  4. Step 4: Simplify right side
    1,062.79x = 866,303.10
  5. Step 5: Solve for x
    x = 866,303.10/1,062.79
  6. Step 6: Final answer
    x = 815.12

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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.