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Finding the Fourth Proportional to 219,497.60, 329,246.40 and 151,846.40

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Solution

The fourth proportional to 219,497.60, 329,246.40 and 151,846.40 is: 227,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,497.60 : 329,246.40 = 151,846.40 : x
  2. Step 2: Convert to fraction form
    219,497.60/329,246.40 = 151,846.40/x
  3. Step 3: Cross multiply
    219,497.60x = 329,246.40 × 151,846.40
  4. Step 4: Simplify right side
    219,497.60x = 49,994,880,552.96
  5. Step 5: Solve for x
    x = 49,994,880,552.96/219,497.60
  6. Step 6: Final answer
    x = 227,769.60

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Similar ratio
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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.