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Finding the Fourth Proportional to 220,618.06, 330,828.68 and 62,809.60

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Solution

The fourth proportional to 220,618.06, 330,828.68 and 62,809.60 is: 94,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,618.06 : 330,828.68 = 62,809.60 : x
  2. Step 2: Convert to fraction form
    220,618.06/330,828.68 = 62,809.60/x
  3. Step 3: Cross multiply
    220,618.06x = 330,828.68 × 62,809.60
  4. Step 4: Simplify right side
    220,618.06x = 20,779,217,059.33
  5. Step 5: Solve for x
    x = 20,779,217,059.33/220,618.06
  6. Step 6: Final answer
    x = 94,186.38

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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.