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Finding the Fourth Proportional to 358,060.01, 494,128.83 and 205,111.58

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Solution

The fourth proportional to 358,060.01, 494,128.83 and 205,111.58 is: 283,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,060.01 : 494,128.83 = 205,111.58 : x
  2. Step 2: Convert to fraction form
    358,060.01/494,128.83 = 205,111.58/x
  3. Step 3: Cross multiply
    358,060.01x = 494,128.83 × 205,111.58
  4. Step 4: Simplify right side
    358,060.01x = 101,351,542,574.21
  5. Step 5: Solve for x
    x = 101,351,542,574.21/358,060.01
  6. Step 6: Final answer
    x = 283,057.42

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1.5x scale

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.