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Finding the Fourth Proportional to 641,749.67, 961,240.49 and 604,020.68

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Solution

The fourth proportional to 641,749.67, 961,240.49 and 604,020.68 is: 904,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,749.67 : 961,240.49 = 604,020.68 : x
  2. Step 2: Convert to fraction form
    641,749.67/961,240.49 = 604,020.68/x
  3. Step 3: Cross multiply
    641,749.67x = 961,240.49 × 604,020.68
  4. Step 4: Simplify right side
    641,749.67x = 580,609,135,854.37
  5. Step 5: Solve for x
    x = 580,609,135,854.37/641,749.67
  6. Step 6: Final answer
    x = 904,728.38

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1.5x scale

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.