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Finding the Fourth Proportional to 375,256.29, 517,642.20 and 237,392.51

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Solution

The fourth proportional to 375,256.29, 517,642.20 and 237,392.51 is: 327,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,256.29 : 517,642.20 = 237,392.51 : x
  2. Step 2: Convert to fraction form
    375,256.29/517,642.20 = 237,392.51/x
  3. Step 3: Cross multiply
    375,256.29x = 517,642.20 × 237,392.51
  4. Step 4: Simplify right side
    375,256.29x = 122,884,378,551.71
  5. Step 5: Solve for x
    x = 122,884,378,551.71/375,256.29
  6. Step 6: Final answer
    x = 327,467.87

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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.