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Finding the Fourth Proportional to 473,595.67, 709,897.31 and 220,667.57

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Solution

The fourth proportional to 473,595.67, 709,897.31 and 220,667.57 is: 330,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,595.67 : 709,897.31 = 220,667.57 : x
  2. Step 2: Convert to fraction form
    473,595.67/709,897.31 = 220,667.57/x
  3. Step 3: Cross multiply
    473,595.67x = 709,897.31 × 220,667.57
  4. Step 4: Simplify right side
    473,595.67x = 156,651,309,694.41
  5. Step 5: Solve for x
    x = 156,651,309,694.41/473,595.67
  6. Step 6: Final answer
    x = 330,770.15

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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.