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Finding the Fourth Proportional to 553,609.46, 829,769.02 and 254,121.68

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Solution

The fourth proportional to 553,609.46, 829,769.02 and 254,121.68 is: 380,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,609.46 : 829,769.02 = 254,121.68 : x
  2. Step 2: Convert to fraction form
    553,609.46/829,769.02 = 254,121.68/x
  3. Step 3: Cross multiply
    553,609.46x = 829,769.02 × 254,121.68
  4. Step 4: Simplify right side
    553,609.46x = 210,862,297,374.35
  5. Step 5: Solve for x
    x = 210,862,297,374.35/553,609.46
  6. Step 6: Final answer
    x = 380,886.37

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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.