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Finding the Fourth Proportional to 366,965.72, 506,412.54 and 213,974.39

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Solution

The fourth proportional to 366,965.72, 506,412.54 and 213,974.39 is: 295,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.72 : 506,412.54 = 213,974.39 : x
  2. Step 2: Convert to fraction form
    366,965.72/506,412.54 = 213,974.39/x
  3. Step 3: Cross multiply
    366,965.72x = 506,412.54 × 213,974.39
  4. Step 4: Simplify right side
    366,965.72x = 108,359,314,334.85
  5. Step 5: Solve for x
    x = 108,359,314,334.85/366,965.72
  6. Step 6: Final answer
    x = 295,284.57

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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.