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Finding the Fourth Proportional to 353,632.01, 530,453.51 and 196,856.91

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Solution

The fourth proportional to 353,632.01, 530,453.51 and 196,856.91 is: 295,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,632.01 : 530,453.51 = 196,856.91 : x
  2. Step 2: Convert to fraction form
    353,632.01/530,453.51 = 196,856.91/x
  3. Step 3: Cross multiply
    353,632.01x = 530,453.51 × 196,856.91
  4. Step 4: Simplify right side
    353,632.01x = 104,423,437,892.97
  5. Step 5: Solve for x
    x = 104,423,437,892.97/353,632.01
  6. Step 6: Final answer
    x = 295,288.43

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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.