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Finding the Fourth Proportional to 477,753.53, 716,635.87 and 189,635.93

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Solution

The fourth proportional to 477,753.53, 716,635.87 and 189,635.93 is: 284,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,753.53 : 716,635.87 = 189,635.93 : x
  2. Step 2: Convert to fraction form
    477,753.53/716,635.87 = 189,635.93/x
  3. Step 3: Cross multiply
    477,753.53x = 716,635.87 × 189,635.93
  4. Step 4: Simplify right side
    477,753.53x = 135,899,905,621.54
  5. Step 5: Solve for x
    x = 135,899,905,621.54/477,753.53
  6. Step 6: Final answer
    x = 284,456.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.