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Finding the Fourth Proportional to 375,502.38, 518,173.47 and 214,351.02

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Solution

The fourth proportional to 375,502.38, 518,173.47 and 214,351.02 is: 295,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,502.38 : 518,173.47 = 214,351.02 : x
  2. Step 2: Convert to fraction form
    375,502.38/518,173.47 = 214,351.02/x
  3. Step 3: Cross multiply
    375,502.38x = 518,173.47 × 214,351.02
  4. Step 4: Simplify right side
    375,502.38x = 111,071,011,831.44
  5. Step 5: Solve for x
    x = 111,071,011,831.44/375,502.38
  6. Step 6: Final answer
    x = 295,793.10

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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.