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Finding the Fourth Proportional to 338,597.87, 467,280.23 and 193,416.30

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Solution

The fourth proportional to 338,597.87, 467,280.23 and 193,416.30 is: 266,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,597.87 : 467,280.23 = 193,416.30 : x
  2. Step 2: Convert to fraction form
    338,597.87/467,280.23 = 193,416.30/x
  3. Step 3: Cross multiply
    338,597.87x = 467,280.23 × 193,416.30
  4. Step 4: Simplify right side
    338,597.87x = 90,379,612,182.67
  5. Step 5: Solve for x
    x = 90,379,612,182.67/338,597.87
  6. Step 6: Final answer
    x = 266,923.16

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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.