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Finding the Fourth Proportional to 415,648.02, 573,600.64 and 243,524.80

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Solution

The fourth proportional to 415,648.02, 573,600.64 and 243,524.80 is: 336,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,648.02 : 573,600.64 = 243,524.80 : x
  2. Step 2: Convert to fraction form
    415,648.02/573,600.64 = 243,524.80/x
  3. Step 3: Cross multiply
    415,648.02x = 573,600.64 × 243,524.80
  4. Step 4: Simplify right side
    415,648.02x = 139,685,981,135.87
  5. Step 5: Solve for x
    x = 139,685,981,135.87/415,648.02
  6. Step 6: Final answer
    x = 336,067.96

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1.5x scale

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.