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Finding the Fourth Proportional to 416,746.98, 625,157.28 and 117,230.04

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Solution

The fourth proportional to 416,746.98, 625,157.28 and 117,230.04 is: 175,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,746.98 : 625,157.28 = 117,230.04 : x
  2. Step 2: Convert to fraction form
    416,746.98/625,157.28 = 117,230.04/x
  3. Step 3: Cross multiply
    416,746.98x = 625,157.28 × 117,230.04
  4. Step 4: Simplify right side
    416,746.98x = 73,287,212,940.69
  5. Step 5: Solve for x
    x = 73,287,212,940.69/416,746.98
  6. Step 6: Final answer
    x = 175,855.41

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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.