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Finding the Fourth Proportional to 517,244.64, 774,858.20 and 291,923.49

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Solution

The fourth proportional to 517,244.64, 774,858.20 and 291,923.49 is: 437,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,244.64 : 774,858.20 = 291,923.49 : x
  2. Step 2: Convert to fraction form
    517,244.64/774,858.20 = 291,923.49/x
  3. Step 3: Cross multiply
    517,244.64x = 774,858.20 × 291,923.49
  4. Step 4: Simplify right side
    517,244.64x = 226,199,313,087.29
  5. Step 5: Solve for x
    x = 226,199,313,087.29/517,244.64
  6. Step 6: Final answer
    x = 437,315.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.