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Finding the Fourth Proportional to 340,562.88, 510,844.32 and 115,946.64

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Solution

The fourth proportional to 340,562.88, 510,844.32 and 115,946.64 is: 173,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,562.88 : 510,844.32 = 115,946.64 : x
  2. Step 2: Convert to fraction form
    340,562.88/510,844.32 = 115,946.64/x
  3. Step 3: Cross multiply
    340,562.88x = 510,844.32 × 115,946.64
  4. Step 4: Simplify right side
    340,562.88x = 59,230,682,467.08
  5. Step 5: Solve for x
    x = 59,230,682,467.08/340,562.88
  6. Step 6: Final answer
    x = 173,919.96

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1.5x scale

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.