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Finding the Fourth Proportional to 340,141.70, 510,080.79 and 115,464.26

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Solution

The fourth proportional to 340,141.70, 510,080.79 and 115,464.26 is: 173,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,141.70 : 510,080.79 = 115,464.26 : x
  2. Step 2: Convert to fraction form
    340,141.70/510,080.79 = 115,464.26/x
  3. Step 3: Cross multiply
    340,141.70x = 510,080.79 × 115,464.26
  4. Step 4: Simplify right side
    340,141.70x = 58,896,100,957.57
  5. Step 5: Solve for x
    x = 58,896,100,957.57/340,141.70
  6. Step 6: Final answer
    x = 173,151.66

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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.