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Finding the Fourth Proportional to 351,064.44, 484,468.49 and 189,919.13

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Solution

The fourth proportional to 351,064.44, 484,468.49 and 189,919.13 is: 262,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,064.44 : 484,468.49 = 189,919.13 : x
  2. Step 2: Convert to fraction form
    351,064.44/484,468.49 = 189,919.13/x
  3. Step 3: Cross multiply
    351,064.44x = 484,468.49 × 189,919.13
  4. Step 4: Simplify right side
    351,064.44x = 92,009,832,185.67
  5. Step 5: Solve for x
    x = 92,009,832,185.67/351,064.44
  6. Step 6: Final answer
    x = 262,088.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.