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Finding the Fourth Proportional to 452,813.73, 679,343.10 and 153,294.34

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Solution

The fourth proportional to 452,813.73, 679,343.10 and 153,294.34 is: 229,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,813.73 : 679,343.10 = 153,294.34 : x
  2. Step 2: Convert to fraction form
    452,813.73/679,343.10 = 153,294.34/x
  3. Step 3: Cross multiply
    452,813.73x = 679,343.10 × 153,294.34
  4. Step 4: Simplify right side
    452,813.73x = 104,139,452,010.89
  5. Step 5: Solve for x
    x = 104,139,452,010.89/452,813.73
  6. Step 6: Final answer
    x = 229,982.98

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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.