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Finding the Fourth Proportional to 340,395.53, 510,356.83 and 150,752.55

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Solution

The fourth proportional to 340,395.53, 510,356.83 and 150,752.55 is: 226,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,395.53 : 510,356.83 = 150,752.55 : x
  2. Step 2: Convert to fraction form
    340,395.53/510,356.83 = 150,752.55/x
  3. Step 3: Cross multiply
    340,395.53x = 510,356.83 × 150,752.55
  4. Step 4: Simplify right side
    340,395.53x = 76,937,590,603.75
  5. Step 5: Solve for x
    x = 76,937,590,603.75/340,395.53
  6. Step 6: Final answer
    x = 226,024.09

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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.