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Finding the Fourth Proportional to 545,093.64, 752,221.68 and 303,376.14

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Solution

The fourth proportional to 545,093.64, 752,221.68 and 303,376.14 is: 418,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,093.64 : 752,221.68 = 303,376.14 : x
  2. Step 2: Convert to fraction form
    545,093.64/752,221.68 = 303,376.14/x
  3. Step 3: Cross multiply
    545,093.64x = 752,221.68 × 303,376.14
  4. Step 4: Simplify right side
    545,093.64x = 228,206,109,702.72
  5. Step 5: Solve for x
    x = 228,206,109,702.72/545,093.64
  6. Step 6: Final answer
    x = 418,654.87

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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.