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Finding the Fourth Proportional to 302,867.40, 454,301.10 and 297,035.40

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Solution

The fourth proportional to 302,867.40, 454,301.10 and 297,035.40 is: 445,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,867.40 : 454,301.10 = 297,035.40 : x
  2. Step 2: Convert to fraction form
    302,867.40/454,301.10 = 297,035.40/x
  3. Step 3: Cross multiply
    302,867.40x = 454,301.10 × 297,035.40
  4. Step 4: Simplify right side
    302,867.40x = 134,943,508,958.94
  5. Step 5: Solve for x
    x = 134,943,508,958.94/302,867.40
  6. Step 6: Final answer
    x = 445,553.10

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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.