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Finding the Fourth Proportional to 267,555.68, 401,300.72 and 155,296.96

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Solution

The fourth proportional to 267,555.68, 401,300.72 and 155,296.96 is: 232,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,555.68 : 401,300.72 = 155,296.96 : x
  2. Step 2: Convert to fraction form
    267,555.68/401,300.72 = 155,296.96/x
  3. Step 3: Cross multiply
    267,555.68x = 401,300.72 × 155,296.96
  4. Step 4: Simplify right side
    267,555.68x = 62,320,781,861.81
  5. Step 5: Solve for x
    x = 62,320,781,861.81/267,555.68
  6. Step 6: Final answer
    x = 232,926.40

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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.