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Finding the Fourth Proportional to 553,042.98, 829,886.49 and 233,174.79

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Solution

The fourth proportional to 553,042.98, 829,886.49 and 233,174.79 is: 349,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,042.98 : 829,886.49 = 233,174.79 : x
  2. Step 2: Convert to fraction form
    553,042.98/829,886.49 = 233,174.79/x
  3. Step 3: Cross multiply
    553,042.98x = 829,886.49 × 233,174.79
  4. Step 4: Simplify right side
    553,042.98x = 193,508,608,029.59
  5. Step 5: Solve for x
    x = 193,508,608,029.59/553,042.98
  6. Step 6: Final answer
    x = 349,897.96

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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.