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Finding the Fourth Proportional to 577,667.01, 866,520.29 and 198,584.51

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Solution

The fourth proportional to 577,667.01, 866,520.29 and 198,584.51 is: 297,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,667.01 : 866,520.29 = 198,584.51 : x
  2. Step 2: Convert to fraction form
    577,667.01/866,520.29 = 198,584.51/x
  3. Step 3: Cross multiply
    577,667.01x = 866,520.29 × 198,584.51
  4. Step 4: Simplify right side
    577,667.01x = 172,077,501,869.18
  5. Step 5: Solve for x
    x = 172,077,501,869.18/577,667.01
  6. Step 6: Final answer
    x = 297,883.55

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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.