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Finding the Fourth Proportional to 355,084.14, 490,063.30 and 226,035.74

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Solution

The fourth proportional to 355,084.14, 490,063.30 and 226,035.74 is: 311,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,084.14 : 490,063.30 = 226,035.74 : x
  2. Step 2: Convert to fraction form
    355,084.14/490,063.30 = 226,035.74/x
  3. Step 3: Cross multiply
    355,084.14x = 490,063.30 × 226,035.74
  4. Step 4: Simplify right side
    355,084.14x = 110,771,820,662.34
  5. Step 5: Solve for x
    x = 110,771,820,662.34/355,084.14
  6. Step 6: Final answer
    x = 311,959.36

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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.