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Finding the Fourth Proportional to 482,135.91, 723,324.29 and 340,258.11

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Solution

The fourth proportional to 482,135.91, 723,324.29 and 340,258.11 is: 510,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,135.91 : 723,324.29 = 340,258.11 : x
  2. Step 2: Convert to fraction form
    482,135.91/723,324.29 = 340,258.11/x
  3. Step 3: Cross multiply
    482,135.91x = 723,324.29 × 340,258.11
  4. Step 4: Simplify right side
    482,135.91x = 246,116,955,832.49
  5. Step 5: Solve for x
    x = 246,116,955,832.49/482,135.91
  6. Step 6: Final answer
    x = 510,472.15

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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.