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Finding the Fourth Proportional to 331,570.60, 497,874.30 and 191,602.60

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Solution

The fourth proportional to 331,570.60, 497,874.30 and 191,602.60 is: 287,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,570.60 : 497,874.30 = 191,602.60 : x
  2. Step 2: Convert to fraction form
    331,570.60/497,874.30 = 191,602.60/x
  3. Step 3: Cross multiply
    331,570.60x = 497,874.30 × 191,602.60
  4. Step 4: Simplify right side
    331,570.60x = 95,394,010,353.18
  5. Step 5: Solve for x
    x = 95,394,010,353.18/331,570.60
  6. Step 6: Final answer
    x = 287,703.46

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1.5x scale

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.