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Finding the Fourth Proportional to 1,032.83, 1,425.40 and 590.64

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Solution

The fourth proportional to 1,032.83, 1,425.40 and 590.64 is: 815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.83 : 1,425.40 = 590.64 : x
  2. Step 2: Convert to fraction form
    1,032.83/1,425.40 = 590.64/x
  3. Step 3: Cross multiply
    1,032.83x = 1,425.40 × 590.64
  4. Step 4: Simplify right side
    1,032.83x = 841,896.78
  5. Step 5: Solve for x
    x = 841,896.78/1,032.83
  6. Step 6: Final answer
    x = 815.14

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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.