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Finding the Fourth Proportional to 614,544.92, 848,122.50 and 338,956.76

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Solution

The fourth proportional to 614,544.92, 848,122.50 and 338,956.76 is: 467,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,544.92 : 848,122.50 = 338,956.76 : x
  2. Step 2: Convert to fraction form
    614,544.92/848,122.50 = 338,956.76/x
  3. Step 3: Cross multiply
    614,544.92x = 848,122.50 × 338,956.76
  4. Step 4: Simplify right side
    614,544.92x = 287,476,854,683.10
  5. Step 5: Solve for x
    x = 287,476,854,683.10/614,544.92
  6. Step 6: Final answer
    x = 467,788.19

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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.