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Finding the Fourth Proportional to 493,373.64, 680,857.62 and 267,019.08

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Solution

The fourth proportional to 493,373.64, 680,857.62 and 267,019.08 is: 368,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,373.64 : 680,857.62 = 267,019.08 : x
  2. Step 2: Convert to fraction form
    493,373.64/680,857.62 = 267,019.08/x
  3. Step 3: Cross multiply
    493,373.64x = 680,857.62 × 267,019.08
  4. Step 4: Simplify right side
    493,373.64x = 181,801,975,303.39
  5. Step 5: Solve for x
    x = 181,801,975,303.39/493,373.64
  6. Step 6: Final answer
    x = 368,487.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.