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Finding the Fourth Proportional to 476,178.89, 714,501.83 and 223,479.90

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Solution

The fourth proportional to 476,178.89, 714,501.83 and 223,479.90 is: 335,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,178.89 : 714,501.83 = 223,479.90 : x
  2. Step 2: Convert to fraction form
    476,178.89/714,501.83 = 223,479.90/x
  3. Step 3: Cross multiply
    476,178.89x = 714,501.83 × 223,479.90
  4. Step 4: Simplify right side
    476,178.89x = 159,676,796,400.82
  5. Step 5: Solve for x
    x = 159,676,796,400.82/476,178.89
  6. Step 6: Final answer
    x = 335,329.43

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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.