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Finding the Fourth Proportional to 494,491.03, 741,695.54 and 157,518.07

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Solution

The fourth proportional to 494,491.03, 741,695.54 and 157,518.07 is: 236,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,491.03 : 741,695.54 = 157,518.07 : x
  2. Step 2: Convert to fraction form
    494,491.03/741,695.54 = 157,518.07/x
  3. Step 3: Cross multiply
    494,491.03x = 741,695.54 × 157,518.07
  4. Step 4: Simplify right side
    494,491.03x = 116,830,447,346.58
  5. Step 5: Solve for x
    x = 116,830,447,346.58/494,491.03
  6. Step 6: Final answer
    x = 236,264.04

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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.