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Finding the Fourth Proportional to 568,969.69, 785,111.23 and 314,305.69

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Solution

The fourth proportional to 568,969.69, 785,111.23 and 314,305.69 is: 433,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,969.69 : 785,111.23 = 314,305.69 : x
  2. Step 2: Convert to fraction form
    568,969.69/785,111.23 = 314,305.69/x
  3. Step 3: Cross multiply
    568,969.69x = 785,111.23 × 314,305.69
  4. Step 4: Simplify right side
    568,969.69x = 246,764,925,104.75
  5. Step 5: Solve for x
    x = 246,764,925,104.75/568,969.69
  6. Step 6: Final answer
    x = 433,704.87

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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.