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Finding the Fourth Proportional to 479,984.25, 720,093.02 and 147,560.25

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Solution

The fourth proportional to 479,984.25, 720,093.02 and 147,560.25 is: 221,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,984.25 : 720,093.02 = 147,560.25 : x
  2. Step 2: Convert to fraction form
    479,984.25/720,093.02 = 147,560.25/x
  3. Step 3: Cross multiply
    479,984.25x = 720,093.02 × 147,560.25
  4. Step 4: Simplify right side
    479,984.25x = 106,257,106,054.46
  5. Step 5: Solve for x
    x = 106,257,106,054.46/479,984.25
  6. Step 6: Final answer
    x = 221,376.23

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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.