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Finding the Fourth Proportional to 368,375.76, 552,775.49 and 155,126.86

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Solution

The fourth proportional to 368,375.76, 552,775.49 and 155,126.86 is: 232,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,375.76 : 552,775.49 = 155,126.86 : x
  2. Step 2: Convert to fraction form
    368,375.76/552,775.49 = 155,126.86/x
  3. Step 3: Cross multiply
    368,375.76x = 552,775.49 × 155,126.86
  4. Step 4: Simplify right side
    368,375.76x = 85,750,326,048.66
  5. Step 5: Solve for x
    x = 85,750,326,048.66/368,375.76
  6. Step 6: Final answer
    x = 232,779.50

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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.