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Finding the Fourth Proportional to 973.59, 1,343.60 and 575.52

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Solution

The fourth proportional to 973.59, 1,343.60 and 575.52 is: 794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.59 : 1,343.60 = 575.52 : x
  2. Step 2: Convert to fraction form
    973.59/1,343.60 = 575.52/x
  3. Step 3: Cross multiply
    973.59x = 1,343.60 × 575.52
  4. Step 4: Simplify right side
    973.59x = 773,265.79
  5. Step 5: Solve for x
    x = 773,265.79/973.59
  6. Step 6: Final answer
    x = 794.24

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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.