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Finding the Fourth Proportional to 499,717.82, 749,577.04 and 125,740.82

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Solution

The fourth proportional to 499,717.82, 749,577.04 and 125,740.82 is: 188,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,717.82 : 749,577.04 = 125,740.82 : x
  2. Step 2: Convert to fraction form
    499,717.82/749,577.04 = 125,740.82/x
  3. Step 3: Cross multiply
    499,717.82x = 749,577.04 × 125,740.82
  4. Step 4: Simplify right side
    499,717.82x = 94,252,431,662.77
  5. Step 5: Solve for x
    x = 94,252,431,662.77/499,717.82
  6. Step 6: Final answer
    x = 188,611.31

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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.