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Finding the Fourth Proportional to 496,230.75, 684,803.70 and 269,881.11

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Solution

The fourth proportional to 496,230.75, 684,803.70 and 269,881.11 is: 372,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,230.75 : 684,803.70 = 269,881.11 : x
  2. Step 2: Convert to fraction form
    496,230.75/684,803.70 = 269,881.11/x
  3. Step 3: Cross multiply
    496,230.75x = 684,803.70 × 269,881.11
  4. Step 4: Simplify right side
    496,230.75x = 184,815,582,688.11
  5. Step 5: Solve for x
    x = 184,815,582,688.11/496,230.75
  6. Step 6: Final answer
    x = 372,438.80

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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.