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Finding the Fourth Proportional to 351,394.32, 484,928.10 and 190,252.74

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Solution

The fourth proportional to 351,394.32, 484,928.10 and 190,252.74 is: 262,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,394.32 : 484,928.10 = 190,252.74 : x
  2. Step 2: Convert to fraction form
    351,394.32/484,928.10 = 190,252.74/x
  3. Step 3: Cross multiply
    351,394.32x = 484,928.10 × 190,252.74
  4. Step 4: Simplify right side
    351,394.32x = 92,258,899,727.99
  5. Step 5: Solve for x
    x = 92,258,899,727.99/351,394.32
  6. Step 6: Final answer
    x = 262,550.91

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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.