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Finding the Fourth Proportional to 499,429.84, 748,988.92 and 166,928.08

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Solution

The fourth proportional to 499,429.84, 748,988.92 and 166,928.08 is: 250,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,429.84 : 748,988.92 = 166,928.08 : x
  2. Step 2: Convert to fraction form
    499,429.84/748,988.92 = 166,928.08/x
  3. Step 3: Cross multiply
    499,429.84x = 748,988.92 × 166,928.08
  4. Step 4: Simplify right side
    499,429.84x = 125,027,282,356.87
  5. Step 5: Solve for x
    x = 125,027,282,356.87/499,429.84
  6. Step 6: Final answer
    x = 250,340.03

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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.