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Finding the Fourth Proportional to 371,282.37, 512,370.18 and 201,516.51

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Solution

The fourth proportional to 371,282.37, 512,370.18 and 201,516.51 is: 278,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,282.37 : 512,370.18 = 201,516.51 : x
  2. Step 2: Convert to fraction form
    371,282.37/512,370.18 = 201,516.51/x
  3. Step 3: Cross multiply
    371,282.37x = 512,370.18 × 201,516.51
  4. Step 4: Simplify right side
    371,282.37x = 103,251,050,501.67
  5. Step 5: Solve for x
    x = 103,251,050,501.67/371,282.37
  6. Step 6: Final answer
    x = 278,093.06

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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.