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Finding the Fourth Proportional to 335,669.78, 503,384.74 and 110,988.74

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Solution

The fourth proportional to 335,669.78, 503,384.74 and 110,988.74 is: 166,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,669.78 : 503,384.74 = 110,988.74 : x
  2. Step 2: Convert to fraction form
    335,669.78/503,384.74 = 110,988.74/x
  3. Step 3: Cross multiply
    335,669.78x = 503,384.74 × 110,988.74
  4. Step 4: Simplify right side
    335,669.78x = 55,870,038,027.83
  5. Step 5: Solve for x
    x = 55,870,038,027.83/335,669.78
  6. Step 6: Final answer
    x = 166,443.46

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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.