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Finding the Fourth Proportional to 348,063.85, 480,298.76 and 193,019.59

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Solution

The fourth proportional to 348,063.85, 480,298.76 and 193,019.59 is: 266,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,063.85 : 480,298.76 = 193,019.59 : x
  2. Step 2: Convert to fraction form
    348,063.85/480,298.76 = 193,019.59/x
  3. Step 3: Cross multiply
    348,063.85x = 480,298.76 × 193,019.59
  4. Step 4: Simplify right side
    348,063.85x = 92,707,067,331.21
  5. Step 5: Solve for x
    x = 92,707,067,331.21/348,063.85
  6. Step 6: Final answer
    x = 266,350.75

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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.