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Finding the Fourth Proportional to 340,326.79, 510,469.52 and 150,731.51

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Solution

The fourth proportional to 340,326.79, 510,469.52 and 150,731.51 is: 226,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,326.79 : 510,469.52 = 150,731.51 : x
  2. Step 2: Convert to fraction form
    340,326.79/510,469.52 = 150,731.51/x
  3. Step 3: Cross multiply
    340,326.79x = 510,469.52 × 150,731.51
  4. Step 4: Simplify right side
    340,326.79x = 76,943,838,252.57
  5. Step 5: Solve for x
    x = 76,943,838,252.57/340,326.79
  6. Step 6: Final answer
    x = 226,088.10

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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.