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Finding the Fourth Proportional to 201,728.20, 302,592.30 and 170,624.20

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Solution

The fourth proportional to 201,728.20, 302,592.30 and 170,624.20 is: 255,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,728.20 : 302,592.30 = 170,624.20 : x
  2. Step 2: Convert to fraction form
    201,728.20/302,592.30 = 170,624.20/x
  3. Step 3: Cross multiply
    201,728.20x = 302,592.30 × 170,624.20
  4. Step 4: Simplify right side
    201,728.20x = 51,629,569,113.66
  5. Step 5: Solve for x
    x = 51,629,569,113.66/201,728.20
  6. Step 6: Final answer
    x = 255,936.30

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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.