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Finding the Fourth Proportional to 535,096.80, 802,645.20 and 219,391.20

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Solution

The fourth proportional to 535,096.80, 802,645.20 and 219,391.20 is: 329,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,096.80 : 802,645.20 = 219,391.20 : x
  2. Step 2: Convert to fraction form
    535,096.80/802,645.20 = 219,391.20/x
  3. Step 3: Cross multiply
    535,096.80x = 802,645.20 × 219,391.20
  4. Step 4: Simplify right side
    535,096.80x = 176,093,293,602.24
  5. Step 5: Solve for x
    x = 176,093,293,602.24/535,096.80
  6. Step 6: Final answer
    x = 329,086.80

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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.