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Finding the Fourth Proportional to 409,249.59, 610,673.73 and 366,696.19

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Solution

The fourth proportional to 409,249.59, 610,673.73 and 366,696.19 is: 547,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,249.59 : 610,673.73 = 366,696.19 : x
  2. Step 2: Convert to fraction form
    409,249.59/610,673.73 = 366,696.19/x
  3. Step 3: Cross multiply
    409,249.59x = 610,673.73 × 366,696.19
  4. Step 4: Simplify right side
    409,249.59x = 223,931,730,124.09
  5. Step 5: Solve for x
    x = 223,931,730,124.09/409,249.59
  6. Step 6: Final answer
    x = 547,176.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.