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Finding the Fourth Proportional to 567,082.12, 850,370.40 and 300,782.02

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Solution

The fourth proportional to 567,082.12, 850,370.40 and 300,782.02 is: 451,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,082.12 : 850,370.40 = 300,782.02 : x
  2. Step 2: Convert to fraction form
    567,082.12/850,370.40 = 300,782.02/x
  3. Step 3: Cross multiply
    567,082.12x = 850,370.40 × 300,782.02
  4. Step 4: Simplify right side
    567,082.12x = 255,776,126,660.21
  5. Step 5: Solve for x
    x = 255,776,126,660.21/567,082.12
  6. Step 6: Final answer
    x = 451,038.95

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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.