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Finding the Fourth Proportional to 368,295.68, 552,046.62 and 178,353.92

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Solution

The fourth proportional to 368,295.68, 552,046.62 and 178,353.92 is: 267,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,295.68 : 552,046.62 = 178,353.92 : x
  2. Step 2: Convert to fraction form
    368,295.68/552,046.62 = 178,353.92/x
  3. Step 3: Cross multiply
    368,295.68x = 552,046.62 × 178,353.92
  4. Step 4: Simplify right side
    368,295.68x = 98,459,678,699.75
  5. Step 5: Solve for x
    x = 98,459,678,699.75/368,295.68
  6. Step 6: Final answer
    x = 267,338.67

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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.