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Finding the Fourth Proportional to 496,245.30, 684,798.75 and 269,890.98

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Solution

The fourth proportional to 496,245.30, 684,798.75 and 269,890.98 is: 372,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,245.30 : 684,798.75 = 269,890.98 : x
  2. Step 2: Convert to fraction form
    496,245.30/684,798.75 = 269,890.98/x
  3. Step 3: Cross multiply
    496,245.30x = 684,798.75 × 269,890.98
  4. Step 4: Simplify right side
    496,245.30x = 184,821,005,740.28
  5. Step 5: Solve for x
    x = 184,821,005,740.28/496,245.30
  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.