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Finding the Fourth Proportional to 335,808.40, 503,251.80 and 273,600.40

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Solution

The fourth proportional to 335,808.40, 503,251.80 and 273,600.40 is: 410,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,808.40 : 503,251.80 = 273,600.40 : x
  2. Step 2: Convert to fraction form
    335,808.40/503,251.80 = 273,600.40/x
  3. Step 3: Cross multiply
    335,808.40x = 503,251.80 × 273,600.40
  4. Step 4: Simplify right side
    335,808.40x = 137,689,893,780.72
  5. Step 5: Solve for x
    x = 137,689,893,780.72/335,808.40
  6. Step 6: Final answer
    x = 410,025.16

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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.