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Finding the Fourth Proportional to 246,280.40, 369,334.20 and 127,912.40

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Solution

The fourth proportional to 246,280.40, 369,334.20 and 127,912.40 is: 191,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,280.40 : 369,334.20 = 127,912.40 : x
  2. Step 2: Convert to fraction form
    246,280.40/369,334.20 = 127,912.40/x
  3. Step 3: Cross multiply
    246,280.40x = 369,334.20 × 127,912.40
  4. Step 4: Simplify right side
    246,280.40x = 47,242,423,924.08
  5. Step 5: Solve for x
    x = 47,242,423,924.08/246,280.40
  6. Step 6: Final answer
    x = 191,823.73

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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.