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Finding the Fourth Proportional to 332,533.70, 498,800.55 and 192,128.30

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Solution

The fourth proportional to 332,533.70, 498,800.55 and 192,128.30 is: 288,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,533.70 : 498,800.55 = 192,128.30 : x
  2. Step 2: Convert to fraction form
    332,533.70/498,800.55 = 192,128.30/x
  3. Step 3: Cross multiply
    332,533.70x = 498,800.55 × 192,128.30
  4. Step 4: Simplify right side
    332,533.70x = 95,833,701,710.57
  5. Step 5: Solve for x
    x = 95,833,701,710.57/332,533.70
  6. Step 6: Final answer
    x = 288,192.45

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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.