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Finding the Fourth Proportional to 547,273.96, 820,831.74 and 147,937.96

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Solution

The fourth proportional to 547,273.96, 820,831.74 and 147,937.96 is: 221,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,273.96 : 820,831.74 = 147,937.96 : x
  2. Step 2: Convert to fraction form
    547,273.96/820,831.74 = 147,937.96/x
  3. Step 3: Cross multiply
    547,273.96x = 820,831.74 × 147,937.96
  4. Step 4: Simplify right side
    547,273.96x = 121,432,173,118.85
  5. Step 5: Solve for x
    x = 121,432,173,118.85/547,273.96
  6. Step 6: Final answer
    x = 221,885.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.