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Finding the Fourth Proportional to 568,114.45, 784,000.63 and 313,465.63

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Solution

The fourth proportional to 568,114.45, 784,000.63 and 313,465.63 is: 432,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,114.45 : 784,000.63 = 313,465.63 : x
  2. Step 2: Convert to fraction form
    568,114.45/784,000.63 = 313,465.63/x
  3. Step 3: Cross multiply
    568,114.45x = 784,000.63 × 313,465.63
  4. Step 4: Simplify right side
    568,114.45x = 245,757,251,403.35
  5. Step 5: Solve for x
    x = 245,757,251,403.35/568,114.45
  6. Step 6: Final answer
    x = 432,584.05

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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.