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Finding the Fourth Proportional to 616,354.92, 850,667.40 and 374,713.20

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Solution

The fourth proportional to 616,354.92, 850,667.40 and 374,713.20 is: 517,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,354.92 : 850,667.40 = 374,713.20 : x
  2. Step 2: Convert to fraction form
    616,354.92/850,667.40 = 374,713.20/x
  3. Step 3: Cross multiply
    616,354.92x = 850,667.40 × 374,713.20
  4. Step 4: Simplify right side
    616,354.92x = 318,756,303,589.68
  5. Step 5: Solve for x
    x = 318,756,303,589.68/616,354.92
  6. Step 6: Final answer
    x = 517,163.56

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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.