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Finding the Fourth Proportional to 567,273.37, 782,837.27 and 312,624.56

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Solution

The fourth proportional to 567,273.37, 782,837.27 and 312,624.56 is: 431,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,273.37 : 782,837.27 = 312,624.56 : x
  2. Step 2: Convert to fraction form
    567,273.37/782,837.27 = 312,624.56/x
  3. Step 3: Cross multiply
    567,273.37x = 782,837.27 × 312,624.56
  4. Step 4: Simplify right side
    567,273.37x = 244,734,156,011.50
  5. Step 5: Solve for x
    x = 244,734,156,011.50/567,273.37
  6. Step 6: Final answer
    x = 431,421.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.