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Finding the Fourth Proportional to 340,571.52, 510,857.28 and 115,933.95

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Solution

The fourth proportional to 340,571.52, 510,857.28 and 115,933.95 is: 173,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,571.52 : 510,857.28 = 115,933.95 : x
  2. Step 2: Convert to fraction form
    340,571.52/510,857.28 = 115,933.95/x
  3. Step 3: Cross multiply
    340,571.52x = 510,857.28 × 115,933.95
  4. Step 4: Simplify right side
    340,571.52x = 59,225,702,356.66
  5. Step 5: Solve for x
    x = 59,225,702,356.66/340,571.52
  6. Step 6: Final answer
    x = 173,900.93

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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.