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Finding the Fourth Proportional to 247,798.30, 341,950.67 and 140,366.18

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Solution

The fourth proportional to 247,798.30, 341,950.67 and 140,366.18 is: 193,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,798.30 : 341,950.67 = 140,366.18 : x
  2. Step 2: Convert to fraction form
    247,798.30/341,950.67 = 140,366.18/x
  3. Step 3: Cross multiply
    247,798.30x = 341,950.67 × 140,366.18
  4. Step 4: Simplify right side
    247,798.30x = 47,998,309,296.34
  5. Step 5: Solve for x
    x = 47,998,309,296.34/247,798.30
  6. Step 6: Final answer
    x = 193,699.11

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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.