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Finding the Fourth Proportional to 674,162.64, 930,326.04 and 368,247.24

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Solution

The fourth proportional to 674,162.64, 930,326.04 and 368,247.24 is: 508,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,162.64 : 930,326.04 = 368,247.24 : x
  2. Step 2: Convert to fraction form
    674,162.64/930,326.04 = 368,247.24/x
  3. Step 3: Cross multiply
    674,162.64x = 930,326.04 × 368,247.24
  4. Step 4: Simplify right side
    674,162.64x = 342,589,996,530.13
  5. Step 5: Solve for x
    x = 342,589,996,530.13/674,162.64
  6. Step 6: Final answer
    x = 508,171.14

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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.