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Finding the Fourth Proportional to 1,036.58, 1,430.75 and 594.73

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Solution

The fourth proportional to 1,036.58, 1,430.75 and 594.73 is: 820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.58 : 1,430.75 = 594.73 : x
  2. Step 2: Convert to fraction form
    1,036.58/1,430.75 = 594.73/x
  3. Step 3: Cross multiply
    1,036.58x = 1,430.75 × 594.73
  4. Step 4: Simplify right side
    1,036.58x = 850,907.86
  5. Step 5: Solve for x
    x = 850,907.86/1,036.58
  6. Step 6: Final answer
    x = 820.88

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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.