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Finding the Fourth Proportional to 473,208.21, 709,822.17 and 169,622.10

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Solution

The fourth proportional to 473,208.21, 709,822.17 and 169,622.10 is: 254,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,208.21 : 709,822.17 = 169,622.10 : x
  2. Step 2: Convert to fraction form
    473,208.21/709,822.17 = 169,622.10/x
  3. Step 3: Cross multiply
    473,208.21x = 709,822.17 × 169,622.10
  4. Step 4: Simplify right side
    473,208.21x = 120,401,527,101.96
  5. Step 5: Solve for x
    x = 120,401,527,101.96/473,208.21
  6. Step 6: Final answer
    x = 254,436.68

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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.