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Finding the Fourth Proportional to 529,510.10, 794,363.63 and 214,188.44

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Solution

The fourth proportional to 529,510.10, 794,363.63 and 214,188.44 is: 321,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,510.10 : 794,363.63 = 214,188.44 : x
  2. Step 2: Convert to fraction form
    529,510.10/794,363.63 = 214,188.44/x
  3. Step 3: Cross multiply
    529,510.10x = 794,363.63 × 214,188.44
  4. Step 4: Simplify right side
    529,510.10x = 170,143,501,659.68
  5. Step 5: Solve for x
    x = 170,143,501,659.68/529,510.10
  6. Step 6: Final answer
    x = 321,322.49

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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.