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Finding the Fourth Proportional to 228,439.40, 342,659.10 and 62,227.40

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Solution

The fourth proportional to 228,439.40, 342,659.10 and 62,227.40 is: 93,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,439.40 : 342,659.10 = 62,227.40 : x
  2. Step 2: Convert to fraction form
    228,439.40/342,659.10 = 62,227.40/x
  3. Step 3: Cross multiply
    228,439.40x = 342,659.10 × 62,227.40
  4. Step 4: Simplify right side
    228,439.40x = 21,322,784,879.34
  5. Step 5: Solve for x
    x = 21,322,784,879.34/228,439.40
  6. Step 6: Final answer
    x = 93,341.10

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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.