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Finding the Fourth Proportional to 332,809.20, 459,276.60 and 181,906.20

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Solution

The fourth proportional to 332,809.20, 459,276.60 and 181,906.20 is: 251,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,809.20 : 459,276.60 = 181,906.20 : x
  2. Step 2: Convert to fraction form
    332,809.20/459,276.60 = 181,906.20/x
  3. Step 3: Cross multiply
    332,809.20x = 459,276.60 × 181,906.20
  4. Step 4: Simplify right side
    332,809.20x = 83,545,261,054.92
  5. Step 5: Solve for x
    x = 83,545,261,054.92/332,809.20
  6. Step 6: Final answer
    x = 251,030.50

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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.