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Finding the Fourth Proportional to 408,323.52, 563,351.58 and 247,117.32

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Solution

The fourth proportional to 408,323.52, 563,351.58 and 247,117.32 is: 340,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,323.52 : 563,351.58 = 247,117.32 : x
  2. Step 2: Convert to fraction form
    408,323.52/563,351.58 = 247,117.32/x
  3. Step 3: Cross multiply
    408,323.52x = 563,351.58 × 247,117.32
  4. Step 4: Simplify right side
    408,323.52x = 139,213,932,667.37
  5. Step 5: Solve for x
    x = 139,213,932,667.37/408,323.52
  6. Step 6: Final answer
    x = 340,940.27

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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.