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Finding the Fourth Proportional to 568,726.17, 784,861.48 and 336,352.30

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Solution

The fourth proportional to 568,726.17, 784,861.48 and 336,352.30 is: 464,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,726.17 : 784,861.48 = 336,352.30 : x
  2. Step 2: Convert to fraction form
    568,726.17/784,861.48 = 336,352.30/x
  3. Step 3: Cross multiply
    568,726.17x = 784,861.48 × 336,352.30
  4. Step 4: Simplify right side
    568,726.17x = 263,989,963,265.50
  5. Step 5: Solve for x
    x = 263,989,963,265.50/568,726.17
  6. Step 6: Final answer
    x = 464,177.63

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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.