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Finding the Fourth Proportional to 501,802.44, 752,697.12 and 122,726.46

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Solution

The fourth proportional to 501,802.44, 752,697.12 and 122,726.46 is: 184,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,802.44 : 752,697.12 = 122,726.46 : x
  2. Step 2: Convert to fraction form
    501,802.44/752,697.12 = 122,726.46/x
  3. Step 3: Cross multiply
    501,802.44x = 752,697.12 × 122,726.46
  4. Step 4: Simplify right side
    501,802.44x = 92,375,852,989.80
  5. Step 5: Solve for x
    x = 92,375,852,989.80/501,802.44
  6. Step 6: Final answer
    x = 184,088.09

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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.