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Finding the Fourth Proportional to 495,728.46, 684,107.07 and 269,373.90

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Solution

The fourth proportional to 495,728.46, 684,107.07 and 269,373.90 is: 371,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,728.46 : 684,107.07 = 269,373.90 : x
  2. Step 2: Convert to fraction form
    495,728.46/684,107.07 = 269,373.90/x
  3. Step 3: Cross multiply
    495,728.46x = 684,107.07 × 269,373.90
  4. Step 4: Simplify right side
    495,728.46x = 184,280,589,463.47
  5. Step 5: Solve for x
    x = 184,280,589,463.47/495,728.46
  6. Step 6: Final answer
    x = 371,736.96

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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.