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Finding the Fourth Proportional to 494,483.61, 741,479.94 and 157,480.32

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Solution

The fourth proportional to 494,483.61, 741,479.94 and 157,480.32 is: 236,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,483.61 : 741,479.94 = 157,480.32 : x
  2. Step 2: Convert to fraction form
    494,483.61/741,479.94 = 157,480.32/x
  3. Step 3: Cross multiply
    494,483.61x = 741,479.94 × 157,480.32
  4. Step 4: Simplify right side
    494,483.61x = 116,768,498,224.78
  5. Step 5: Solve for x
    x = 116,768,498,224.78/494,483.61
  6. Step 6: Final answer
    x = 236,142.30

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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.