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Finding the Fourth Proportional to 228,900.60, 343,350.90 and 191,502.90

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Solution

The fourth proportional to 228,900.60, 343,350.90 and 191,502.90 is: 287,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,900.60 : 343,350.90 = 191,502.90 : x
  2. Step 2: Convert to fraction form
    228,900.60/343,350.90 = 191,502.90/x
  3. Step 3: Cross multiply
    228,900.60x = 343,350.90 × 191,502.90
  4. Step 4: Simplify right side
    228,900.60x = 65,752,693,067.61
  5. Step 5: Solve for x
    x = 65,752,693,067.61/228,900.60
  6. Step 6: Final answer
    x = 287,254.35

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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.