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Finding the Fourth Proportional to 515,989.31, 773,956.62 and 160,962.66

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Solution

The fourth proportional to 515,989.31, 773,956.62 and 160,962.66 is: 241,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,989.31 : 773,956.62 = 160,962.66 : x
  2. Step 2: Convert to fraction form
    515,989.31/773,956.62 = 160,962.66/x
  3. Step 3: Cross multiply
    515,989.31x = 773,956.62 × 160,962.66
  4. Step 4: Simplify right side
    515,989.31x = 124,578,116,279.81
  5. Step 5: Solve for x
    x = 124,578,116,279.81/515,989.31
  6. Step 6: Final answer
    x = 241,435.46

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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.