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Finding the Fourth Proportional to 473,469.90, 709,600.05 and 192,669.90

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Solution

The fourth proportional to 473,469.90, 709,600.05 and 192,669.90 is: 288,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,469.90 : 709,600.05 = 192,669.90 : x
  2. Step 2: Convert to fraction form
    473,469.90/709,600.05 = 192,669.90/x
  3. Step 3: Cross multiply
    473,469.90x = 709,600.05 × 192,669.90
  4. Step 4: Simplify right side
    473,469.90x = 136,718,570,673.50
  5. Step 5: Solve for x
    x = 136,718,570,673.50/473,469.90
  6. Step 6: Final answer
    x = 288,758.74

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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.