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Finding the Fourth Proportional to 312,667.74, 466,737.62 and 274,834.26

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Solution

The fourth proportional to 312,667.74, 466,737.62 and 274,834.26 is: 410,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,667.74 : 466,737.62 = 274,834.26 : x
  2. Step 2: Convert to fraction form
    312,667.74/466,737.62 = 274,834.26/x
  3. Step 3: Cross multiply
    312,667.74x = 466,737.62 × 274,834.26
  4. Step 4: Simplify right side
    312,667.74x = 128,275,487,032.69
  5. Step 5: Solve for x
    x = 128,275,487,032.69/312,667.74
  6. Step 6: Final answer
    x = 410,261.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.