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Finding the Fourth Proportional to 488,137.98, 732,422.42 and 168,338.64

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Solution

The fourth proportional to 488,137.98, 732,422.42 and 168,338.64 is: 252,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,137.98 : 732,422.42 = 168,338.64 : x
  2. Step 2: Convert to fraction form
    488,137.98/732,422.42 = 168,338.64/x
  3. Step 3: Cross multiply
    488,137.98x = 732,422.42 × 168,338.64
  4. Step 4: Simplify right side
    488,137.98x = 123,294,994,088.31
  5. Step 5: Solve for x
    x = 123,294,994,088.31/488,137.98
  6. Step 6: Final answer
    x = 252,582.26

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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.