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Finding the Fourth Proportional to 372,991.02, 514,727.60 and 203,225.14

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Solution

The fourth proportional to 372,991.02, 514,727.60 and 203,225.14 is: 280,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,991.02 : 514,727.60 = 203,225.14 : x
  2. Step 2: Convert to fraction form
    372,991.02/514,727.60 = 203,225.14/x
  3. Step 3: Cross multiply
    372,991.02x = 514,727.60 × 203,225.14
  4. Step 4: Simplify right side
    372,991.02x = 104,605,588,571.86
  5. Step 5: Solve for x
    x = 104,605,588,571.86/372,991.02
  6. Step 6: Final answer
    x = 280,450.69

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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.