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Finding the Fourth Proportional to 298,652.40, 448,108.20 and 150,908.40

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Solution

The fourth proportional to 298,652.40, 448,108.20 and 150,908.40 is: 226,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,652.40 : 448,108.20 = 150,908.40 : x
  2. Step 2: Convert to fraction form
    298,652.40/448,108.20 = 150,908.40/x
  3. Step 3: Cross multiply
    298,652.40x = 448,108.20 × 150,908.40
  4. Step 4: Simplify right side
    298,652.40x = 67,623,291,488.88
  5. Step 5: Solve for x
    x = 67,623,291,488.88/298,652.40
  6. Step 6: Final answer
    x = 226,428.09

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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.