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Finding the Fourth Proportional to 332,133.90, 498,200.85 and 285,477.90

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Solution

The fourth proportional to 332,133.90, 498,200.85 and 285,477.90 is: 428,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,133.90 : 498,200.85 = 285,477.90 : x
  2. Step 2: Convert to fraction form
    332,133.90/498,200.85 = 285,477.90/x
  3. Step 3: Cross multiply
    332,133.90x = 498,200.85 × 285,477.90
  4. Step 4: Simplify right side
    332,133.90x = 142,225,332,436.22
  5. Step 5: Solve for x
    x = 142,225,332,436.22/332,133.90
  6. Step 6: Final answer
    x = 428,216.85

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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.