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Finding the Fourth Proportional to 338,219.73, 507,180.72 and 101,507.04

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Solution

The fourth proportional to 338,219.73, 507,180.72 and 101,507.04 is: 152,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,219.73 : 507,180.72 = 101,507.04 : x
  2. Step 2: Convert to fraction form
    338,219.73/507,180.72 = 101,507.04/x
  3. Step 3: Cross multiply
    338,219.73x = 507,180.72 × 101,507.04
  4. Step 4: Simplify right side
    338,219.73x = 51,482,413,632.27
  5. Step 5: Solve for x
    x = 51,482,413,632.27/338,219.73
  6. Step 6: Final answer
    x = 152,215.88

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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.