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Finding the Fourth Proportional to 220,410.98, 330,647.60 and 70,616.23

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Solution

The fourth proportional to 220,410.98, 330,647.60 and 70,616.23 is: 105,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,410.98 : 330,647.60 = 70,616.23 : x
  2. Step 2: Convert to fraction form
    220,410.98/330,647.60 = 70,616.23/x
  3. Step 3: Cross multiply
    220,410.98x = 330,647.60 × 70,616.23
  4. Step 4: Simplify right side
    220,410.98x = 23,349,086,970.55
  5. Step 5: Solve for x
    x = 23,349,086,970.55/220,410.98
  6. Step 6: Final answer
    x = 105,934.32

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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.