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Finding the Fourth Proportional to 220,411.40, 330,617.10 and 183,669.80

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Solution

The fourth proportional to 220,411.40, 330,617.10 and 183,669.80 is: 275,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,411.40 : 330,617.10 = 183,669.80 : x
  2. Step 2: Convert to fraction form
    220,411.40/330,617.10 = 183,669.80/x
  3. Step 3: Cross multiply
    220,411.40x = 330,617.10 × 183,669.80
  4. Step 4: Simplify right side
    220,411.40x = 60,724,376,633.58
  5. Step 5: Solve for x
    x = 60,724,376,633.58/220,411.40
  6. Step 6: Final answer
    x = 275,504.70

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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.