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Finding the Fourth Proportional to 495,808.77, 684,221.39 and 269,454.27

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Solution

The fourth proportional to 495,808.77, 684,221.39 and 269,454.27 is: 371,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,808.77 : 684,221.39 = 269,454.27 : x
  2. Step 2: Convert to fraction form
    495,808.77/684,221.39 = 269,454.27/x
  3. Step 3: Cross multiply
    495,808.77x = 684,221.39 × 269,454.27
  4. Step 4: Simplify right side
    495,808.77x = 184,366,375,160.84
  5. Step 5: Solve for x
    x = 184,366,375,160.84/495,808.77
  6. Step 6: Final answer
    x = 371,849.77

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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.