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Finding the Fourth Proportional to 611,455.80, 917,313.30 and 184,956.60

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Solution

The fourth proportional to 611,455.80, 917,313.30 and 184,956.60 is: 277,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,455.80 : 917,313.30 = 184,956.60 : x
  2. Step 2: Convert to fraction form
    611,455.80/917,313.30 = 184,956.60/x
  3. Step 3: Cross multiply
    611,455.80x = 917,313.30 × 184,956.60
  4. Step 4: Simplify right side
    611,455.80x = 169,663,149,102.78
  5. Step 5: Solve for x
    x = 169,663,149,102.78/611,455.80
  6. Step 6: Final answer
    x = 277,474.10

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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.