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Finding the Fourth Proportional to 541,893.72, 812,877.84 and 162,798.60

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Solution

The fourth proportional to 541,893.72, 812,877.84 and 162,798.60 is: 244,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,893.72 : 812,877.84 = 162,798.60 : x
  2. Step 2: Convert to fraction form
    541,893.72/812,877.84 = 162,798.60/x
  3. Step 3: Cross multiply
    541,893.72x = 812,877.84 × 162,798.60
  4. Step 4: Simplify right side
    541,893.72x = 132,335,374,323.02
  5. Step 5: Solve for x
    x = 132,335,374,323.02/541,893.72
  6. Step 6: Final answer
    x = 244,209.09

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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.