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Finding the Fourth Proportional to 673,294.88, 929,146.94 and 371,488.88

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Solution

The fourth proportional to 673,294.88, 929,146.94 and 371,488.88 is: 512,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,294.88 : 929,146.94 = 371,488.88 : x
  2. Step 2: Convert to fraction form
    673,294.88/929,146.94 = 371,488.88/x
  3. Step 3: Cross multiply
    673,294.88x = 929,146.94 × 371,488.88
  4. Step 4: Simplify right side
    673,294.88x = 345,167,749,592.85
  5. Step 5: Solve for x
    x = 345,167,749,592.85/673,294.88
  6. Step 6: Final answer
    x = 512,654.65

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1.5x scale

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.