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Finding the Fourth Proportional to 332,185.20, 498,277.80 and 330,216.90

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Solution

The fourth proportional to 332,185.20, 498,277.80 and 330,216.90 is: 495,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,185.20 : 498,277.80 = 330,216.90 : x
  2. Step 2: Convert to fraction form
    332,185.20/498,277.80 = 330,216.90/x
  3. Step 3: Cross multiply
    332,185.20x = 498,277.80 × 330,216.90
  4. Step 4: Simplify right side
    332,185.20x = 164,539,750,454.82
  5. Step 5: Solve for x
    x = 164,539,750,454.82/332,185.20
  6. Step 6: Final answer
    x = 495,325.35

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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.