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Finding the Fourth Proportional to 508,105.61, 701,135.21 and 293,314.88

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Solution

The fourth proportional to 508,105.61, 701,135.21 and 293,314.88 is: 404,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,105.61 : 701,135.21 = 293,314.88 : x
  2. Step 2: Convert to fraction form
    508,105.61/701,135.21 = 293,314.88/x
  3. Step 3: Cross multiply
    508,105.61x = 701,135.21 × 293,314.88
  4. Step 4: Simplify right side
    508,105.61x = 205,653,385,012.67
  5. Step 5: Solve for x
    x = 205,653,385,012.67/508,105.61
  6. Step 6: Final answer
    x = 404,745.36

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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.