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Finding the Fourth Proportional to 672,523.65, 928,069.97 and 366,602.85

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Solution

The fourth proportional to 672,523.65, 928,069.97 and 366,602.85 is: 505,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,523.65 : 928,069.97 = 366,602.85 : x
  2. Step 2: Convert to fraction form
    672,523.65/928,069.97 = 366,602.85/x
  3. Step 3: Cross multiply
    672,523.65x = 928,069.97 × 366,602.85
  4. Step 4: Simplify right side
    672,523.65x = 340,233,094,168.40
  5. Step 5: Solve for x
    x = 340,233,094,168.40/672,523.65
  6. Step 6: Final answer
    x = 505,905.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.