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Finding the Fourth Proportional to 202,285.40, 302,736.90 and 177,402.20

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Solution

The fourth proportional to 202,285.40, 302,736.90 and 177,402.20 is: 265,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,285.40 : 302,736.90 = 177,402.20 : x
  2. Step 2: Convert to fraction form
    202,285.40/302,736.90 = 177,402.20/x
  3. Step 3: Cross multiply
    202,285.40x = 302,736.90 × 177,402.20
  4. Step 4: Simplify right side
    202,285.40x = 53,706,192,081.18
  5. Step 5: Solve for x
    x = 53,706,192,081.18/202,285.40
  6. Step 6: Final answer
    x = 265,497.12

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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.