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Finding the Fourth Proportional to 302,018.39, 416,760.58 and 177,819.63

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Solution

The fourth proportional to 302,018.39, 416,760.58 and 177,819.63 is: 245,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,018.39 : 416,760.58 = 177,819.63 : x
  2. Step 2: Convert to fraction form
    302,018.39/416,760.58 = 177,819.63/x
  3. Step 3: Cross multiply
    302,018.39x = 416,760.58 × 177,819.63
  4. Step 4: Simplify right side
    302,018.39x = 74,108,209,793.37
  5. Step 5: Solve for x
    x = 74,108,209,793.37/302,018.39
  6. Step 6: Final answer
    x = 245,376.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.