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Finding the Fourth Proportional to 397,460.40, 595,439.59 and 234,869.45

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Solution

The fourth proportional to 397,460.40, 595,439.59 and 234,869.45 is: 351,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,460.40 : 595,439.59 = 234,869.45 : x
  2. Step 2: Convert to fraction form
    397,460.40/595,439.59 = 234,869.45/x
  3. Step 3: Cross multiply
    397,460.40x = 595,439.59 × 234,869.45
  4. Step 4: Simplify right side
    397,460.40x = 139,850,569,011.53
  5. Step 5: Solve for x
    x = 139,850,569,011.53/397,460.40
  6. Step 6: Final answer
    x = 351,860.38

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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.