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Finding the Fourth Proportional to 751.42, 1,036.73 and 594.08

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Solution

The fourth proportional to 751.42, 1,036.73 and 594.08 is: 819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.42 : 1,036.73 = 594.08 : x
  2. Step 2: Convert to fraction form
    751.42/1,036.73 = 594.08/x
  3. Step 3: Cross multiply
    751.42x = 1,036.73 × 594.08
  4. Step 4: Simplify right side
    751.42x = 615,900.56
  5. Step 5: Solve for x
    x = 615,900.56/751.42
  6. Step 6: Final answer
    x = 819.65

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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.