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Finding the Fourth Proportional to 478,794.52, 660,736.17 and 263,938.17

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Solution

The fourth proportional to 478,794.52, 660,736.17 and 263,938.17 is: 364,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,794.52 : 660,736.17 = 263,938.17 : x
  2. Step 2: Convert to fraction form
    478,794.52/660,736.17 = 263,938.17/x
  3. Step 3: Cross multiply
    478,794.52x = 660,736.17 × 263,938.17
  4. Step 4: Simplify right side
    478,794.52x = 174,393,492,258.93
  5. Step 5: Solve for x
    x = 174,393,492,258.93/478,794.52
  6. Step 6: Final answer
    x = 364,234.52

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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.