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Finding the Fourth Proportional to 338,178.38, 466,700.83 and 187,275.38

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Solution

The fourth proportional to 338,178.38, 466,700.83 and 187,275.38 is: 258,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,178.38 : 466,700.83 = 187,275.38 : x
  2. Step 2: Convert to fraction form
    338,178.38/466,700.83 = 187,275.38/x
  3. Step 3: Cross multiply
    338,178.38x = 466,700.83 × 187,275.38
  4. Step 4: Simplify right side
    338,178.38x = 87,401,572,482.87
  5. Step 5: Solve for x
    x = 87,401,572,482.87/338,178.38
  6. Step 6: Final answer
    x = 258,448.14

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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.