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Finding the Fourth Proportional to 331,671.60, 457,345.44 and 224,054.88

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Solution

The fourth proportional to 331,671.60, 457,345.44 and 224,054.88 is: 308,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,671.60 : 457,345.44 = 224,054.88 : x
  2. Step 2: Convert to fraction form
    331,671.60/457,345.44 = 224,054.88/x
  3. Step 3: Cross multiply
    331,671.60x = 457,345.44 × 224,054.88
  4. Step 4: Simplify right side
    331,671.60x = 102,470,477,677.75
  5. Step 5: Solve for x
    x = 102,470,477,677.75/331,671.60
  6. Step 6: Final answer
    x = 308,951.62

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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.