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Finding the Fourth Proportional to 576,505.80, 862,425.90 and 506,521.80

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Solution

The fourth proportional to 576,505.80, 862,425.90 and 506,521.80 is: 757,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,505.80 : 862,425.90 = 506,521.80 : x
  2. Step 2: Convert to fraction form
    576,505.80/862,425.90 = 506,521.80/x
  3. Step 3: Cross multiply
    576,505.80x = 862,425.90 × 506,521.80
  4. Step 4: Simplify right side
    576,505.80x = 436,837,519,234.62
  5. Step 5: Solve for x
    x = 436,837,519,234.62/576,505.80
  6. Step 6: Final answer
    x = 757,733.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.