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Finding the Fourth Proportional to 568,171.32, 784,093.09 and 310,064.94

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Solution

The fourth proportional to 568,171.32, 784,093.09 and 310,064.94 is: 427,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,171.32 : 784,093.09 = 310,064.94 : x
  2. Step 2: Convert to fraction form
    568,171.32/784,093.09 = 310,064.94/x
  3. Step 3: Cross multiply
    568,171.32x = 784,093.09 × 310,064.94
  4. Step 4: Simplify right side
    568,171.32x = 243,119,774,352.50
  5. Step 5: Solve for x
    x = 243,119,774,352.50/568,171.32
  6. Step 6: Final answer
    x = 427,898.71

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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.