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Finding the Fourth Proportional to 349,190.64, 524,450.28 and 216,994.74

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Solution

The fourth proportional to 349,190.64, 524,450.28 and 216,994.74 is: 325,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,190.64 : 524,450.28 = 216,994.74 : x
  2. Step 2: Convert to fraction form
    349,190.64/524,450.28 = 216,994.74/x
  3. Step 3: Cross multiply
    349,190.64x = 524,450.28 × 216,994.74
  4. Step 4: Simplify right side
    349,190.64x = 113,802,952,151.53
  5. Step 5: Solve for x
    x = 113,802,952,151.53/349,190.64
  6. Step 6: Final answer
    x = 325,904.93

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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.