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Finding the Fourth Proportional to 424,186.78, 585,182.69 and 375,837.68

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Solution

The fourth proportional to 424,186.78, 585,182.69 and 375,837.68 is: 518,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,186.78 : 585,182.69 = 375,837.68 : x
  2. Step 2: Convert to fraction form
    424,186.78/585,182.69 = 375,837.68/x
  3. Step 3: Cross multiply
    424,186.78x = 585,182.69 × 375,837.68
  4. Step 4: Simplify right side
    424,186.78x = 219,933,704,585.76
  5. Step 5: Solve for x
    x = 219,933,704,585.76/424,186.78
  6. Step 6: Final answer
    x = 518,483.17

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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.