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Finding the Fourth Proportional to 338,624.04, 507,741.66 and 101,896.68

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Solution

The fourth proportional to 338,624.04, 507,741.66 and 101,896.68 is: 152,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,624.04 : 507,741.66 = 101,896.68 : x
  2. Step 2: Convert to fraction form
    338,624.04/507,741.66 = 101,896.68/x
  3. Step 3: Cross multiply
    338,624.04x = 507,741.66 × 101,896.68
  4. Step 4: Simplify right side
    338,624.04x = 51,737,189,451.69
  5. Step 5: Solve for x
    x = 51,737,189,451.69/338,624.04
  6. Step 6: Final answer
    x = 152,786.52

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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.