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Finding the Fourth Proportional to 1,032.53, 1,424.90 and 590.40

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Solution

The fourth proportional to 1,032.53, 1,424.90 and 590.40 is: 814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.53 : 1,424.90 = 590.40 : x
  2. Step 2: Convert to fraction form
    1,032.53/1,424.90 = 590.40/x
  3. Step 3: Cross multiply
    1,032.53x = 1,424.90 × 590.40
  4. Step 4: Simplify right side
    1,032.53x = 841,262.44
  5. Step 5: Solve for x
    x = 841,262.44/1,032.53
  6. Step 6: Final answer
    x = 814.76

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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.