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Finding the Fourth Proportional to 375,561.65, 563,434.63 and 109,324.55

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Solution

The fourth proportional to 375,561.65, 563,434.63 and 109,324.55 is: 164,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,561.65 : 563,434.63 = 109,324.55 : x
  2. Step 2: Convert to fraction form
    375,561.65/563,434.63 = 109,324.55/x
  3. Step 3: Cross multiply
    375,561.65x = 563,434.63 × 109,324.55
  4. Step 4: Simplify right side
    375,561.65x = 61,597,234,288.68
  5. Step 5: Solve for x
    x = 61,597,234,288.68/375,561.65
  6. Step 6: Final answer
    x = 164,013.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.