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Finding the Fourth Proportional to 475,999.52, 714,003.90 and 121,013.54

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Solution

The fourth proportional to 475,999.52, 714,003.90 and 121,013.54 is: 181,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,999.52 : 714,003.90 = 121,013.54 : x
  2. Step 2: Convert to fraction form
    475,999.52/714,003.90 = 121,013.54/x
  3. Step 3: Cross multiply
    475,999.52x = 714,003.90 × 121,013.54
  4. Step 4: Simplify right side
    475,999.52x = 86,404,142,693.30
  5. Step 5: Solve for x
    x = 86,404,142,693.30/475,999.52
  6. Step 6: Final answer
    x = 181,521.49

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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.