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Finding the Fourth Proportional to 348,358.44, 521,651.34 and 229,669.68

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Solution

The fourth proportional to 348,358.44, 521,651.34 and 229,669.68 is: 343,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,358.44 : 521,651.34 = 229,669.68 : x
  2. Step 2: Convert to fraction form
    348,358.44/521,651.34 = 229,669.68/x
  3. Step 3: Cross multiply
    348,358.44x = 521,651.34 × 229,669.68
  4. Step 4: Simplify right side
    348,358.44x = 119,807,496,329.37
  5. Step 5: Solve for x
    x = 119,807,496,329.37/348,358.44
  6. Step 6: Final answer
    x = 343,920.18

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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.