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Finding the Fourth Proportional to 558,615.78, 838,054.89 and 184,638.78

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Solution

The fourth proportional to 558,615.78, 838,054.89 and 184,638.78 is: 277,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,615.78 : 838,054.89 = 184,638.78 : x
  2. Step 2: Convert to fraction form
    558,615.78/838,054.89 = 184,638.78/x
  3. Step 3: Cross multiply
    558,615.78x = 838,054.89 × 184,638.78
  4. Step 4: Simplify right side
    558,615.78x = 154,737,432,462.63
  5. Step 5: Solve for x
    x = 154,737,432,462.63/558,615.78
  6. Step 6: Final answer
    x = 277,001.54

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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.