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Finding the Fourth Proportional to 482,219.36, 723,368.49 and 242,209.85

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Solution

The fourth proportional to 482,219.36, 723,368.49 and 242,209.85 is: 363,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,219.36 : 723,368.49 = 242,209.85 : x
  2. Step 2: Convert to fraction form
    482,219.36/723,368.49 = 242,209.85/x
  3. Step 3: Cross multiply
    482,219.36x = 723,368.49 × 242,209.85
  4. Step 4: Simplify right side
    482,219.36x = 175,206,974,357.76
  5. Step 5: Solve for x
    x = 175,206,974,357.76/482,219.36
  6. Step 6: Final answer
    x = 363,334.59

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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.