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Finding the Fourth Proportional to 619,896.35, 930,203.26 and 260,034.97

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Solution

The fourth proportional to 619,896.35, 930,203.26 and 260,034.97 is: 390,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,896.35 : 930,203.26 = 260,034.97 : x
  2. Step 2: Convert to fraction form
    619,896.35/930,203.26 = 260,034.97/x
  3. Step 3: Cross multiply
    619,896.35x = 930,203.26 × 260,034.97
  4. Step 4: Simplify right side
    619,896.35x = 241,885,373,832.41
  5. Step 5: Solve for x
    x = 241,885,373,832.41/619,896.35
  6. Step 6: Final answer
    x = 390,202.93

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1.5x scale

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.