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Finding the Fourth Proportional to 1,216,662.84, 1,824,974.16 and 363,736.47

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Solution

The fourth proportional to 1,216,662.84, 1,824,974.16 and 363,736.47 is: 545,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,662.84 : 1,824,974.16 = 363,736.47 : x
  2. Step 2: Convert to fraction form
    1,216,662.84/1,824,974.16 = 363,736.47/x
  3. Step 3: Cross multiply
    1,216,662.84x = 1,824,974.16 × 363,736.47
  4. Step 4: Simplify right side
    1,216,662.84x = 663,809,658,799.62
  5. Step 5: Solve for x
    x = 663,809,658,799.62/1,216,662.84
  6. Step 6: Final answer
    x = 545,598.70

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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.