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Finding the Fourth Proportional to 504,494.12, 696,218.66 and 300,517.19

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Solution

The fourth proportional to 504,494.12, 696,218.66 and 300,517.19 is: 414,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,494.12 : 696,218.66 = 300,517.19 : x
  2. Step 2: Convert to fraction form
    504,494.12/696,218.66 = 300,517.19/x
  3. Step 3: Cross multiply
    504,494.12x = 696,218.66 × 300,517.19
  4. Step 4: Simplify right side
    504,494.12x = 209,225,675,328.77
  5. Step 5: Solve for x
    x = 209,225,675,328.77/504,494.12
  6. Step 6: Final answer
    x = 414,723.71

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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.