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Finding the Fourth Proportional to 313,474.50, 469,750.83 and 185,258.82

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Solution

The fourth proportional to 313,474.50, 469,750.83 and 185,258.82 is: 277,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,474.50 : 469,750.83 = 185,258.82 : x
  2. Step 2: Convert to fraction form
    313,474.50/469,750.83 = 185,258.82/x
  3. Step 3: Cross multiply
    313,474.50x = 469,750.83 × 185,258.82
  4. Step 4: Simplify right side
    313,474.50x = 87,025,484,459.82
  5. Step 5: Solve for x
    x = 87,025,484,459.82/313,474.50
  6. Step 6: Final answer
    x = 277,615.83

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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.