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Finding the Fourth Proportional to 341,480.72, 512,089.80 and 235,979.84

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Solution

The fourth proportional to 341,480.72, 512,089.80 and 235,979.84 is: 353,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,480.72 : 512,089.80 = 235,979.84 : x
  2. Step 2: Convert to fraction form
    341,480.72/512,089.80 = 235,979.84/x
  3. Step 3: Cross multiply
    341,480.72x = 512,089.80 × 235,979.84
  4. Step 4: Simplify right side
    341,480.72x = 120,842,869,069.63
  5. Step 5: Solve for x
    x = 120,842,869,069.63/341,480.72
  6. Step 6: Final answer
    x = 353,879.04

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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.