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Finding the Fourth Proportional to 358,586.04, 538,211.42 and 181,217.90

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Solution

The fourth proportional to 358,586.04, 538,211.42 and 181,217.90 is: 271,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,586.04 : 538,211.42 = 181,217.90 : x
  2. Step 2: Convert to fraction form
    358,586.04/538,211.42 = 181,217.90/x
  3. Step 3: Cross multiply
    358,586.04x = 538,211.42 × 181,217.90
  4. Step 4: Simplify right side
    358,586.04x = 97,533,543,288.42
  5. Step 5: Solve for x
    x = 97,533,543,288.42/358,586.04
  6. Step 6: Final answer
    x = 271,994.81

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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.