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Finding the Fourth Proportional to 270,612.54, 373,439.70 and 149,746.57

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Solution

The fourth proportional to 270,612.54, 373,439.70 and 149,746.57 is: 206,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,612.54 : 373,439.70 = 149,746.57 : x
  2. Step 2: Convert to fraction form
    270,612.54/373,439.70 = 149,746.57/x
  3. Step 3: Cross multiply
    270,612.54x = 373,439.70 × 149,746.57
  4. Step 4: Simplify right side
    270,612.54x = 55,921,313,243.23
  5. Step 5: Solve for x
    x = 55,921,313,243.23/270,612.54
  6. Step 6: Final answer
    x = 206,647.16

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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.