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Finding the Fourth Proportional to 332,223.70, 498,335.55 and 330,255.40

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Solution

The fourth proportional to 332,223.70, 498,335.55 and 330,255.40 is: 495,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,223.70 : 498,335.55 = 330,255.40 : x
  2. Step 2: Convert to fraction form
    332,223.70/498,335.55 = 330,255.40/x
  3. Step 3: Cross multiply
    332,223.70x = 498,335.55 × 330,255.40
  4. Step 4: Simplify right side
    332,223.70x = 164,578,006,399.47
  5. Step 5: Solve for x
    x = 164,578,006,399.47/332,223.70
  6. Step 6: Final answer
    x = 495,383.10

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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.