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Finding the Fourth Proportional to 219,889.92, 303,313.08 and 194,314.20

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Solution

The fourth proportional to 219,889.92, 303,313.08 and 194,314.20 is: 268,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,889.92 : 303,313.08 = 194,314.20 : x
  2. Step 2: Convert to fraction form
    219,889.92/303,313.08 = 194,314.20/x
  3. Step 3: Cross multiply
    219,889.92x = 303,313.08 × 194,314.20
  4. Step 4: Simplify right side
    219,889.92x = 58,938,038,489.74
  5. Step 5: Solve for x
    x = 58,938,038,489.74/219,889.92
  6. Step 6: Final answer
    x = 268,034.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.