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Finding the Fourth Proportional to 568,102.35, 784,265.31 and 353,311.62

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Solution

The fourth proportional to 568,102.35, 784,265.31 and 353,311.62 is: 487,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,102.35 : 784,265.31 = 353,311.62 : x
  2. Step 2: Convert to fraction form
    568,102.35/784,265.31 = 353,311.62/x
  3. Step 3: Cross multiply
    568,102.35x = 784,265.31 × 353,311.62
  4. Step 4: Simplify right side
    568,102.35x = 277,090,047,185.90
  5. Step 5: Solve for x
    x = 277,090,047,185.90/568,102.35
  6. Step 6: Final answer
    x = 487,746.70

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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.