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Finding the Fourth Proportional to 845,174.72, 1,267,808.28 and 214,094

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Solution

The fourth proportional to 845,174.72, 1,267,808.28 and 214,094 is: 321,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,174.72 : 1,267,808.28 = 214,094 : x
  2. Step 2: Convert to fraction form
    845,174.72/1,267,808.28 = 214,094/x
  3. Step 3: Cross multiply
    845,174.72x = 1,267,808.28 × 214,094
  4. Step 4: Simplify right side
    845,174.72x = 271,430,145,898.32
  5. Step 5: Solve for x
    x = 271,430,145,898.32/845,174.72
  6. Step 6: Final answer
    x = 321,152.70

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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.