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Finding the Fourth Proportional to 495,591.71, 683,921.36 and 269,238.83

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Solution

The fourth proportional to 495,591.71, 683,921.36 and 269,238.83 is: 371,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,591.71 : 683,921.36 = 269,238.83 : x
  2. Step 2: Convert to fraction form
    495,591.71/683,921.36 = 269,238.83/x
  3. Step 3: Cross multiply
    495,591.71x = 683,921.36 × 269,238.83
  4. Step 4: Simplify right side
    495,591.71x = 184,138,185,432.22
  5. Step 5: Solve for x
    x = 184,138,185,432.22/495,591.71
  6. Step 6: Final answer
    x = 371,552.19

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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.