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Finding the Fourth Proportional to 552,809.06, 829,218.24 and 153,480.98

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Solution

The fourth proportional to 552,809.06, 829,218.24 and 153,480.98 is: 230,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,809.06 : 829,218.24 = 153,480.98 : x
  2. Step 2: Convert to fraction form
    552,809.06/829,218.24 = 153,480.98/x
  3. Step 3: Cross multiply
    552,809.06x = 829,218.24 × 153,480.98
  4. Step 4: Simplify right side
    552,809.06x = 127,269,228,109.08
  5. Step 5: Solve for x
    x = 127,269,228,109.08/552,809.06
  6. Step 6: Final answer
    x = 230,222.76

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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.