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Finding the Fourth Proportional to 332,415.80, 498,477.90 and 132,669.80

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Solution

The fourth proportional to 332,415.80, 498,477.90 and 132,669.80 is: 198,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,415.80 : 498,477.90 = 132,669.80 : x
  2. Step 2: Convert to fraction form
    332,415.80/498,477.90 = 132,669.80/x
  3. Step 3: Cross multiply
    332,415.80x = 498,477.90 × 132,669.80
  4. Step 4: Simplify right side
    332,415.80x = 66,132,963,297.42
  5. Step 5: Solve for x
    x = 66,132,963,297.42/332,415.80
  6. Step 6: Final answer
    x = 198,946.51

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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.