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Finding the Fourth Proportional to 451,694.87, 623,334.65 and 247,741.63

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Solution

The fourth proportional to 451,694.87, 623,334.65 and 247,741.63 is: 341,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,694.87 : 623,334.65 = 247,741.63 : x
  2. Step 2: Convert to fraction form
    451,694.87/623,334.65 = 247,741.63/x
  3. Step 3: Cross multiply
    451,694.87x = 623,334.65 × 247,741.63
  4. Step 4: Simplify right side
    451,694.87x = 154,425,942,226.48
  5. Step 5: Solve for x
    x = 154,425,942,226.48/451,694.87
  6. Step 6: Final answer
    x = 341,881.11

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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.