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Finding the Fourth Proportional to 552,806.28, 829,268.68 and 153,448.76

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Solution

The fourth proportional to 552,806.28, 829,268.68 and 153,448.76 is: 230,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,806.28 : 829,268.68 = 153,448.76 : x
  2. Step 2: Convert to fraction form
    552,806.28/829,268.68 = 153,448.76/x
  3. Step 3: Cross multiply
    552,806.28x = 829,268.68 × 153,448.76
  4. Step 4: Simplify right side
    552,806.28x = 127,250,250,652.84
  5. Step 5: Solve for x
    x = 127,250,250,652.84/552,806.28
  6. Step 6: Final answer
    x = 230,189.59

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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.