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Finding the Fourth Proportional to 355,993.92, 533,401.20 and 250,296.48

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Solution

The fourth proportional to 355,993.92, 533,401.20 and 250,296.48 is: 375,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,993.92 : 533,401.20 = 250,296.48 : x
  2. Step 2: Convert to fraction form
    355,993.92/533,401.20 = 250,296.48/x
  3. Step 3: Cross multiply
    355,993.92x = 533,401.20 × 250,296.48
  4. Step 4: Simplify right side
    355,993.92x = 133,508,442,787.78
  5. Step 5: Solve for x
    x = 133,508,442,787.78/355,993.92
  6. Step 6: Final answer
    x = 375,030.12

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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.