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Finding the Fourth Proportional to 476,234.91, 657,244.50 and 261,411.36

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Solution

The fourth proportional to 476,234.91, 657,244.50 and 261,411.36 is: 360,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,234.91 : 657,244.50 = 261,411.36 : x
  2. Step 2: Convert to fraction form
    476,234.91/657,244.50 = 261,411.36/x
  3. Step 3: Cross multiply
    476,234.91x = 657,244.50 × 261,411.36
  4. Step 4: Simplify right side
    476,234.91x = 171,811,178,597.52
  5. Step 5: Solve for x
    x = 171,811,178,597.52/476,234.91
  6. Step 6: Final answer
    x = 360,769.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.