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Finding the Fourth Proportional to 468,758.59, 703,398.49 and 228,875.42

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Solution

The fourth proportional to 468,758.59, 703,398.49 and 228,875.42 is: 343,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,758.59 : 703,398.49 = 228,875.42 : x
  2. Step 2: Convert to fraction form
    468,758.59/703,398.49 = 228,875.42/x
  3. Step 3: Cross multiply
    468,758.59x = 703,398.49 × 228,875.42
  4. Step 4: Simplify right side
    468,758.59x = 160,990,626,012.42
  5. Step 5: Solve for x
    x = 160,990,626,012.42/468,758.59
  6. Step 6: Final answer
    x = 343,440.38

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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.