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Finding the Fourth Proportional to 340,118.13, 510,374.31 and 171,651.63

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Solution

The fourth proportional to 340,118.13, 510,374.31 and 171,651.63 is: 257,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,118.13 : 510,374.31 = 171,651.63 : x
  2. Step 2: Convert to fraction form
    340,118.13/510,374.31 = 171,651.63/x
  3. Step 3: Cross multiply
    340,118.13x = 510,374.31 × 171,651.63
  4. Step 4: Simplify right side
    340,118.13x = 87,606,582,221.63
  5. Step 5: Solve for x
    x = 87,606,582,221.63/340,118.13
  6. Step 6: Final answer
    x = 257,576.93

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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.