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Finding the Fourth Proportional to 338,366.06, 507,549.47 and 101,708.73

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Solution

The fourth proportional to 338,366.06, 507,549.47 and 101,708.73 is: 152,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,366.06 : 507,549.47 = 101,708.73 : x
  2. Step 2: Convert to fraction form
    338,366.06/507,549.47 = 101,708.73/x
  3. Step 3: Cross multiply
    338,366.06x = 507,549.47 × 101,708.73
  4. Step 4: Simplify right side
    338,366.06x = 51,622,211,497.33
  5. Step 5: Solve for x
    x = 51,622,211,497.33/338,366.06
  6. Step 6: Final answer
    x = 152,563.21

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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.