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Finding the Fourth Proportional to 458,939.70, 633,350.88 and 277,684.92

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Solution

The fourth proportional to 458,939.70, 633,350.88 and 277,684.92 is: 383,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,939.70 : 633,350.88 = 277,684.92 : x
  2. Step 2: Convert to fraction form
    458,939.70/633,350.88 = 277,684.92/x
  3. Step 3: Cross multiply
    458,939.70x = 633,350.88 × 277,684.92
  4. Step 4: Simplify right side
    458,939.70x = 175,871,988,444.73
  5. Step 5: Solve for x
    x = 175,871,988,444.73/458,939.70
  6. Step 6: Final answer
    x = 383,213.72

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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.