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Finding the Fourth Proportional to 332,772.72, 459,219.60 and 181,870.80

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Solution

The fourth proportional to 332,772.72, 459,219.60 and 181,870.80 is: 250,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,772.72 : 459,219.60 = 181,870.80 : x
  2. Step 2: Convert to fraction form
    332,772.72/459,219.60 = 181,870.80/x
  3. Step 3: Cross multiply
    332,772.72x = 459,219.60 × 181,870.80
  4. Step 4: Simplify right side
    332,772.72x = 83,518,636,027.68
  5. Step 5: Solve for x
    x = 83,518,636,027.68/332,772.72
  6. Step 6: Final answer
    x = 250,978.01

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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.