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Finding the Fourth Proportional to 220,428.64, 330,698.50 and 62,657.09

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Solution

The fourth proportional to 220,428.64, 330,698.50 and 62,657.09 is: 94,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,428.64 : 330,698.50 = 62,657.09 : x
  2. Step 2: Convert to fraction form
    220,428.64/330,698.50 = 62,657.09/x
  3. Step 3: Cross multiply
    220,428.64x = 330,698.50 × 62,657.09
  4. Step 4: Simplify right side
    220,428.64x = 20,720,605,677.37
  5. Step 5: Solve for x
    x = 20,720,605,677.37/220,428.64
  6. Step 6: Final answer
    x = 94,001.42

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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.