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Finding the Fourth Proportional to 340,015.62, 469,215.04 and 187,044.88

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Solution

The fourth proportional to 340,015.62, 469,215.04 and 187,044.88 is: 258,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,015.62 : 469,215.04 = 187,044.88 : x
  2. Step 2: Convert to fraction form
    340,015.62/469,215.04 = 187,044.88/x
  3. Step 3: Cross multiply
    340,015.62x = 469,215.04 × 187,044.88
  4. Step 4: Simplify right side
    340,015.62x = 87,764,272,683.37
  5. Step 5: Solve for x
    x = 87,764,272,683.37/340,015.62
  6. Step 6: Final answer
    x = 258,118.35

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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.