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Finding the Fourth Proportional to 355,250.17, 490,230.66 and 194,110.75

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Solution

The fourth proportional to 355,250.17, 490,230.66 and 194,110.75 is: 267,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,250.17 : 490,230.66 = 194,110.75 : x
  2. Step 2: Convert to fraction form
    355,250.17/490,230.66 = 194,110.75/x
  3. Step 3: Cross multiply
    355,250.17x = 490,230.66 × 194,110.75
  4. Step 4: Simplify right side
    355,250.17x = 95,159,041,085.60
  5. Step 5: Solve for x
    x = 95,159,041,085.60/355,250.17
  6. Step 6: Final answer
    x = 267,864.87

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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.