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Finding the Fourth Proportional to 375,663.94, 518,253.33 and 248,516.62

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Solution

The fourth proportional to 375,663.94, 518,253.33 and 248,516.62 is: 342,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,663.94 : 518,253.33 = 248,516.62 : x
  2. Step 2: Convert to fraction form
    375,663.94/518,253.33 = 248,516.62/x
  3. Step 3: Cross multiply
    375,663.94x = 518,253.33 × 248,516.62
  4. Step 4: Simplify right side
    375,663.94x = 128,794,565,875.35
  5. Step 5: Solve for x
    x = 128,794,565,875.35/375,663.94
  6. Step 6: Final answer
    x = 342,845.17

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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.