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Finding the Fourth Proportional to 462,250.50, 693,410.56 and 138,012.92

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Solution

The fourth proportional to 462,250.50, 693,410.56 and 138,012.92 is: 207,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,250.50 : 693,410.56 = 138,012.92 : x
  2. Step 2: Convert to fraction form
    462,250.50/693,410.56 = 138,012.92/x
  3. Step 3: Cross multiply
    462,250.50x = 693,410.56 × 138,012.92
  4. Step 4: Simplify right side
    462,250.50x = 95,699,616,144.44
  5. Step 5: Solve for x
    x = 95,699,616,144.44/462,250.50
  6. Step 6: Final answer
    x = 207,029.77

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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.