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Finding the Fourth Proportional to 245,509.68, 338,994 and 191,701.38

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Solution

The fourth proportional to 245,509.68, 338,994 and 191,701.38 is: 264,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,509.68 : 338,994 = 191,701.38 : x
  2. Step 2: Convert to fraction form
    245,509.68/338,994 = 191,701.38/x
  3. Step 3: Cross multiply
    245,509.68x = 338,994 × 191,701.38
  4. Step 4: Simplify right side
    245,509.68x = 64,985,617,611.72
  5. Step 5: Solve for x
    x = 64,985,617,611.72/245,509.68
  6. Step 6: Final answer
    x = 264,696.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.