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Finding the Fourth Proportional to 750.36, 1,036.60 and 594.04

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Solution

The fourth proportional to 750.36, 1,036.60 and 594.04 is: 820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.36 : 1,036.60 = 594.04 : x
  2. Step 2: Convert to fraction form
    750.36/1,036.60 = 594.04/x
  3. Step 3: Cross multiply
    750.36x = 1,036.60 × 594.04
  4. Step 4: Simplify right side
    750.36x = 615,781.86
  5. Step 5: Solve for x
    x = 615,781.86/750.36
  6. Step 6: Final answer
    x = 820.65

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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.