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Finding the Fourth Proportional to 338,513.99, 507,795.48 and 113,873.45

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Solution

The fourth proportional to 338,513.99, 507,795.48 and 113,873.45 is: 170,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,513.99 : 507,795.48 = 113,873.45 : x
  2. Step 2: Convert to fraction form
    338,513.99/507,795.48 = 113,873.45/x
  3. Step 3: Cross multiply
    338,513.99x = 507,795.48 × 113,873.45
  4. Step 4: Simplify right side
    338,513.99x = 57,824,420,663.03
  5. Step 5: Solve for x
    x = 57,824,420,663.03/338,513.99
  6. Step 6: Final answer
    x = 170,818.41

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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.