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Finding the Fourth Proportional to 375,176.48, 517,820.11 and 254,356.61

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Solution

The fourth proportional to 375,176.48, 517,820.11 and 254,356.61 is: 351,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,176.48 : 517,820.11 = 254,356.61 : x
  2. Step 2: Convert to fraction form
    375,176.48/517,820.11 = 254,356.61/x
  3. Step 3: Cross multiply
    375,176.48x = 517,820.11 × 254,356.61
  4. Step 4: Simplify right side
    375,176.48x = 131,710,967,769.43
  5. Step 5: Solve for x
    x = 131,710,967,769.43/375,176.48
  6. Step 6: Final answer
    x = 351,064.03

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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.