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Finding the Fourth Proportional to 338,371.29, 507,512.39 and 160,991.01

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Solution

The fourth proportional to 338,371.29, 507,512.39 and 160,991.01 is: 241,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,371.29 : 507,512.39 = 160,991.01 : x
  2. Step 2: Convert to fraction form
    338,371.29/507,512.39 = 160,991.01/x
  3. Step 3: Cross multiply
    338,371.29x = 507,512.39 × 160,991.01
  4. Step 4: Simplify right side
    338,371.29x = 81,704,931,448.66
  5. Step 5: Solve for x
    x = 81,704,931,448.66/338,371.29
  6. Step 6: Final answer
    x = 241,465.32

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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.