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Finding the Fourth Proportional to 512,575.61, 707,234.64 and 297,586.22

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Solution

The fourth proportional to 512,575.61, 707,234.64 and 297,586.22 is: 410,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,575.61 : 707,234.64 = 297,586.22 : x
  2. Step 2: Convert to fraction form
    512,575.61/707,234.64 = 297,586.22/x
  3. Step 3: Cross multiply
    512,575.61x = 707,234.64 × 297,586.22
  4. Step 4: Simplify right side
    512,575.61x = 210,463,283,170.66
  5. Step 5: Solve for x
    x = 210,463,283,170.66/512,575.61
  6. Step 6: Final answer
    x = 410,599.49

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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.