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Finding the Fourth Proportional to 338,368.56, 507,553.22 and 101,711.23

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Solution

The fourth proportional to 338,368.56, 507,553.22 and 101,711.23 is: 152,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,368.56 : 507,553.22 = 101,711.23 : x
  2. Step 2: Convert to fraction form
    338,368.56/507,553.22 = 101,711.23/x
  3. Step 3: Cross multiply
    338,368.56x = 507,553.22 × 101,711.23
  4. Step 4: Simplify right side
    338,368.56x = 51,623,862,296.66
  5. Step 5: Solve for x
    x = 51,623,862,296.66/338,368.56
  6. Step 6: Final answer
    x = 152,566.96

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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.