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Finding the Fourth Proportional to 568,805.50, 784,951.59 and 314,173.09

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Solution

The fourth proportional to 568,805.50, 784,951.59 and 314,173.09 is: 433,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,805.50 : 784,951.59 = 314,173.09 : x
  2. Step 2: Convert to fraction form
    568,805.50/784,951.59 = 314,173.09/x
  3. Step 3: Cross multiply
    568,805.50x = 784,951.59 × 314,173.09
  4. Step 4: Simplify right side
    568,805.50x = 246,610,666,530.71
  5. Step 5: Solve for x
    x = 246,610,666,530.71/568,805.50
  6. Step 6: Final answer
    x = 433,558.86

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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.