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Finding the Fourth Proportional to 332,215.70, 498,323.55 and 330,247.40

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Solution

The fourth proportional to 332,215.70, 498,323.55 and 330,247.40 is: 495,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,215.70 : 498,323.55 = 330,247.40 : x
  2. Step 2: Convert to fraction form
    332,215.70/498,323.55 = 330,247.40/x
  3. Step 3: Cross multiply
    332,215.70x = 498,323.55 × 330,247.40
  4. Step 4: Simplify right side
    332,215.70x = 164,570,056,746.27
  5. Step 5: Solve for x
    x = 164,570,056,746.27/332,215.70
  6. Step 6: Final answer
    x = 495,371.10

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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.