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Finding the Fourth Proportional to 375,182.28, 518,206.01 and 273,045.74

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Solution

The fourth proportional to 375,182.28, 518,206.01 and 273,045.74 is: 377,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,182.28 : 518,206.01 = 273,045.74 : x
  2. Step 2: Convert to fraction form
    375,182.28/518,206.01 = 273,045.74/x
  3. Step 3: Cross multiply
    375,182.28x = 518,206.01 × 273,045.74
  4. Step 4: Simplify right side
    375,182.28x = 141,493,939,516.64
  5. Step 5: Solve for x
    x = 141,493,939,516.64/375,182.28
  6. Step 6: Final answer
    x = 377,133.85

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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.