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Finding the Fourth Proportional to 375,226.53, 517,462.76 and 347,360.51

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Solution

The fourth proportional to 375,226.53, 517,462.76 and 347,360.51 is: 479,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,226.53 : 517,462.76 = 347,360.51 : x
  2. Step 2: Convert to fraction form
    375,226.53/517,462.76 = 347,360.51/x
  3. Step 3: Cross multiply
    375,226.53x = 517,462.76 × 347,360.51
  4. Step 4: Simplify right side
    375,226.53x = 179,746,123,895.49
  5. Step 5: Solve for x
    x = 179,746,123,895.49/375,226.53
  6. Step 6: Final answer
    x = 479,033.62

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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.