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Finding the Fourth Proportional to 251,945.10, 353,189.70 and 251,945.10

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Solution

The fourth proportional to 251,945.10, 353,189.70 and 251,945.10 is: 353,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,945.10 : 353,189.70 = 251,945.10 : x
  2. Step 2: Convert to fraction form
    251,945.10/353,189.70 = 251,945.10/x
  3. Step 3: Cross multiply
    251,945.10x = 353,189.70 × 251,945.10
  4. Step 4: Simplify right side
    251,945.10x = 88,984,414,285.47
  5. Step 5: Solve for x
    x = 88,984,414,285.47/251,945.10
  6. Step 6: Final answer
    x = 353,189.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.