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Finding the Fourth Proportional to 381,266.99, 571,528.59 and 181,533.71

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Solution

The fourth proportional to 381,266.99, 571,528.59 and 181,533.71 is: 272,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,266.99 : 571,528.59 = 181,533.71 : x
  2. Step 2: Convert to fraction form
    381,266.99/571,528.59 = 181,533.71/x
  3. Step 3: Cross multiply
    381,266.99x = 571,528.59 × 181,533.71
  4. Step 4: Simplify right side
    381,266.99x = 103,751,705,313.77
  5. Step 5: Solve for x
    x = 103,751,705,313.77/381,266.99
  6. Step 6: Final answer
    x = 272,123.49

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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.