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Finding the Fourth Proportional to 368,374.76, 552,773.99 and 155,125.86

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Solution

The fourth proportional to 368,374.76, 552,773.99 and 155,125.86 is: 232,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,374.76 : 552,773.99 = 155,125.86 : x
  2. Step 2: Convert to fraction form
    368,374.76/552,773.99 = 155,125.86/x
  3. Step 3: Cross multiply
    368,374.76x = 552,773.99 × 155,125.86
  4. Step 4: Simplify right side
    368,374.76x = 85,749,540,584.38
  5. Step 5: Solve for x
    x = 85,749,540,584.38/368,374.76
  6. Step 6: Final answer
    x = 232,778.00

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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.