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Finding the Fourth Proportional to 973.98, 1,343.76 and 595.74

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Solution

The fourth proportional to 973.98, 1,343.76 and 595.74 is: 821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.98 : 1,343.76 = 595.74 : x
  2. Step 2: Convert to fraction form
    973.98/1,343.76 = 595.74/x
  3. Step 3: Cross multiply
    973.98x = 1,343.76 × 595.74
  4. Step 4: Simplify right side
    973.98x = 800,531.58
  5. Step 5: Solve for x
    x = 800,531.58/973.98
  6. Step 6: Final answer
    x = 821.92

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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.