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Finding the Fourth Proportional to 503,469.81, 755,203.68 and 148,732.92

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Solution

The fourth proportional to 503,469.81, 755,203.68 and 148,732.92 is: 223,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,469.81 : 755,203.68 = 148,732.92 : x
  2. Step 2: Convert to fraction form
    503,469.81/755,203.68 = 148,732.92/x
  3. Step 3: Cross multiply
    503,469.81x = 755,203.68 × 148,732.92
  4. Step 4: Simplify right side
    503,469.81x = 112,323,648,521.15
  5. Step 5: Solve for x
    x = 112,323,648,521.15/503,469.81
  6. Step 6: Final answer
    x = 223,099.07

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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.