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Finding the Fourth Proportional to 338,152.78, 507,306.93 and 101,499.94

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Solution

The fourth proportional to 338,152.78, 507,306.93 and 101,499.94 is: 152,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,152.78 : 507,306.93 = 101,499.94 : x
  2. Step 2: Convert to fraction form
    338,152.78/507,306.93 = 101,499.94/x
  3. Step 3: Cross multiply
    338,152.78x = 507,306.93 × 101,499.94
  4. Step 4: Simplify right side
    338,152.78x = 51,491,622,956.58
  5. Step 5: Solve for x
    x = 51,491,622,956.58/338,152.78
  6. Step 6: Final answer
    x = 152,273.25

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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.