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Finding the Fourth Proportional to 552,799.49, 829,215.63 and 153,469.69

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Solution

The fourth proportional to 552,799.49, 829,215.63 and 153,469.69 is: 230,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,799.49 : 829,215.63 = 153,469.69 : x
  2. Step 2: Convert to fraction form
    552,799.49/829,215.63 = 153,469.69/x
  3. Step 3: Cross multiply
    552,799.49x = 829,215.63 × 153,469.69
  4. Step 4: Simplify right side
    552,799.49x = 127,259,463,606.22
  5. Step 5: Solve for x
    x = 127,259,463,606.22/552,799.49
  6. Step 6: Final answer
    x = 230,209.08

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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.