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Finding the Fourth Proportional to 550,906.94, 759,520.73 and 359,588.18

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Solution

The fourth proportional to 550,906.94, 759,520.73 and 359,588.18 is: 495,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,906.94 : 759,520.73 = 359,588.18 : x
  2. Step 2: Convert to fraction form
    550,906.94/759,520.73 = 359,588.18/x
  3. Step 3: Cross multiply
    550,906.94x = 759,520.73 × 359,588.18
  4. Step 4: Simplify right side
    550,906.94x = 273,114,679,770.74
  5. Step 5: Solve for x
    x = 273,114,679,770.74/550,906.94
  6. Step 6: Final answer
    x = 495,754.65

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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.