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Finding the Fourth Proportional to 302,429.56, 453,645.53 and 122,518.39

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Solution

The fourth proportional to 302,429.56, 453,645.53 and 122,518.39 is: 183,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,429.56 : 453,645.53 = 122,518.39 : x
  2. Step 2: Convert to fraction form
    302,429.56/453,645.53 = 122,518.39/x
  3. Step 3: Cross multiply
    302,429.56x = 453,645.53 × 122,518.39
  4. Step 4: Simplify right side
    302,429.56x = 55,579,918,219.59
  5. Step 5: Solve for x
    x = 55,579,918,219.59/302,429.56
  6. Step 6: Final answer
    x = 183,778.06

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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.