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Finding the Fourth Proportional to 452,990.80, 679,486.20 and 116,030.80

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Solution

The fourth proportional to 452,990.80, 679,486.20 and 116,030.80 is: 174,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,990.80 : 679,486.20 = 116,030.80 : x
  2. Step 2: Convert to fraction form
    452,990.80/679,486.20 = 116,030.80/x
  3. Step 3: Cross multiply
    452,990.80x = 679,486.20 × 116,030.80
  4. Step 4: Simplify right side
    452,990.80x = 78,841,327,374.96
  5. Step 5: Solve for x
    x = 78,841,327,374.96/452,990.80
  6. Step 6: Final answer
    x = 174,046.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.