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Finding the Fourth Proportional to 517,247.55, 713,694.67 and 302,346.04

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Solution

The fourth proportional to 517,247.55, 713,694.67 and 302,346.04 is: 417,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,247.55 : 713,694.67 = 302,346.04 : x
  2. Step 2: Convert to fraction form
    517,247.55/713,694.67 = 302,346.04/x
  3. Step 3: Cross multiply
    517,247.55x = 713,694.67 × 302,346.04
  4. Step 4: Simplify right side
    517,247.55x = 215,782,757,243.61
  5. Step 5: Solve for x
    x = 215,782,757,243.61/517,247.55
  6. Step 6: Final answer
    x = 417,175.02

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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.