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Finding the Fourth Proportional to 614,027.72, 921,250.68 and 374,620.88

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Solution

The fourth proportional to 614,027.72, 921,250.68 and 374,620.88 is: 562,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,027.72 : 921,250.68 = 374,620.88 : x
  2. Step 2: Convert to fraction form
    614,027.72/921,250.68 = 374,620.88/x
  3. Step 3: Cross multiply
    614,027.72x = 921,250.68 × 374,620.88
  4. Step 4: Simplify right side
    614,027.72x = 345,119,740,442.20
  5. Step 5: Solve for x
    x = 345,119,740,442.20/614,027.72
  6. Step 6: Final answer
    x = 562,058.89

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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.