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Finding the Fourth Proportional to 535,901.13, 802,806.80 and 298,529.01

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Solution

The fourth proportional to 535,901.13, 802,806.80 and 298,529.01 is: 447,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,901.13 : 802,806.80 = 298,529.01 : x
  2. Step 2: Convert to fraction form
    535,901.13/802,806.80 = 298,529.01/x
  3. Step 3: Cross multiply
    535,901.13x = 802,806.80 × 298,529.01
  4. Step 4: Simplify right side
    535,901.13x = 239,661,117,732.62
  5. Step 5: Solve for x
    x = 239,661,117,732.62/535,901.13
  6. Step 6: Final answer
    x = 447,211.44

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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.