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Finding the Fourth Proportional to 611,365.80, 917,178.30 and 184,866.60

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Solution

The fourth proportional to 611,365.80, 917,178.30 and 184,866.60 is: 277,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,365.80 : 917,178.30 = 184,866.60 : x
  2. Step 2: Convert to fraction form
    611,365.80/917,178.30 = 184,866.60/x
  3. Step 3: Cross multiply
    611,365.80x = 917,178.30 × 184,866.60
  4. Step 4: Simplify right side
    611,365.80x = 169,555,633,914.78
  5. Step 5: Solve for x
    x = 169,555,633,914.78/611,365.80
  6. Step 6: Final answer
    x = 277,339.09

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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.