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Finding the Fourth Proportional to 367,958.95, 507,766.66 and 215,011.10

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Solution

The fourth proportional to 367,958.95, 507,766.66 and 215,011.10 is: 296,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,958.95 : 507,766.66 = 215,011.10 : x
  2. Step 2: Convert to fraction form
    367,958.95/507,766.66 = 215,011.10/x
  3. Step 3: Cross multiply
    367,958.95x = 507,766.66 × 215,011.10
  4. Step 4: Simplify right side
    367,958.95x = 109,175,467,034.87
  5. Step 5: Solve for x
    x = 109,175,467,034.87/367,958.95
  6. Step 6: Final answer
    x = 296,705.57

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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.