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Finding the Fourth Proportional to 422,989.92, 583,755.78 and 241,728.63

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Solution

The fourth proportional to 422,989.92, 583,755.78 and 241,728.63 is: 333,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,989.92 : 583,755.78 = 241,728.63 : x
  2. Step 2: Convert to fraction form
    422,989.92/583,755.78 = 241,728.63/x
  3. Step 3: Cross multiply
    422,989.92x = 583,755.78 × 241,728.63
  4. Step 4: Simplify right side
    422,989.92x = 141,110,483,671.38
  5. Step 5: Solve for x
    x = 141,110,483,671.38/422,989.92
  6. Step 6: Final answer
    x = 333,602.47

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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.