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Finding the Fourth Proportional to 374,925.92, 517,395.60 and 202,843.44

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Solution

The fourth proportional to 374,925.92, 517,395.60 and 202,843.44 is: 279,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,925.92 : 517,395.60 = 202,843.44 : x
  2. Step 2: Convert to fraction form
    374,925.92/517,395.60 = 202,843.44/x
  3. Step 3: Cross multiply
    374,925.92x = 517,395.60 × 202,843.44
  4. Step 4: Simplify right side
    374,925.92x = 104,950,303,344.86
  5. Step 5: Solve for x
    x = 104,950,303,344.86/374,925.92
  6. Step 6: Final answer
    x = 279,922.78

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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.