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Finding the Fourth Proportional to 297,006.80, 445,510.20 and 234,021.20

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Solution

The fourth proportional to 297,006.80, 445,510.20 and 234,021.20 is: 351,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,006.80 : 445,510.20 = 234,021.20 : x
  2. Step 2: Convert to fraction form
    297,006.80/445,510.20 = 234,021.20/x
  3. Step 3: Cross multiply
    297,006.80x = 445,510.20 × 234,021.20
  4. Step 4: Simplify right side
    297,006.80x = 104,258,831,616.24
  5. Step 5: Solve for x
    x = 104,258,831,616.24/297,006.80
  6. Step 6: Final answer
    x = 351,031.80

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1.5x scale

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.