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Finding the Fourth Proportional to 1,062.31, 1,465.94 and 590.24

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Solution

The fourth proportional to 1,062.31, 1,465.94 and 590.24 is: 814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.31 : 1,465.94 = 590.24 : x
  2. Step 2: Convert to fraction form
    1,062.31/1,465.94 = 590.24/x
  3. Step 3: Cross multiply
    1,062.31x = 1,465.94 × 590.24
  4. Step 4: Simplify right side
    1,062.31x = 865,252.76
  5. Step 5: Solve for x
    x = 865,252.76/1,062.31
  6. Step 6: Final answer
    x = 814.50

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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.