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Finding the Fourth Proportional to 338,806.58, 508,024.22 and 156,239.19

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Solution

The fourth proportional to 338,806.58, 508,024.22 and 156,239.19 is: 234,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,806.58 : 508,024.22 = 156,239.19 : x
  2. Step 2: Convert to fraction form
    338,806.58/508,024.22 = 156,239.19/x
  3. Step 3: Cross multiply
    338,806.58x = 508,024.22 × 156,239.19
  4. Step 4: Simplify right side
    338,806.58x = 79,373,291,851.99
  5. Step 5: Solve for x
    x = 79,373,291,851.99/338,806.58
  6. Step 6: Final answer
    x = 234,273.17

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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.