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Finding the Fourth Proportional to 479,077.48, 717,121.49 and 352,860.24

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Solution

The fourth proportional to 479,077.48, 717,121.49 and 352,860.24 is: 528,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,077.48 : 717,121.49 = 352,860.24 : x
  2. Step 2: Convert to fraction form
    479,077.48/717,121.49 = 352,860.24/x
  3. Step 3: Cross multiply
    479,077.48x = 717,121.49 × 352,860.24
  4. Step 4: Simplify right side
    479,077.48x = 253,043,661,952.71
  5. Step 5: Solve for x
    x = 253,043,661,952.71/479,077.48
  6. Step 6: Final answer
    x = 528,189.43

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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.