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Finding the Fourth Proportional to 246,335.40, 369,416.70 and 127,967.40

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Solution

The fourth proportional to 246,335.40, 369,416.70 and 127,967.40 is: 191,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,335.40 : 369,416.70 = 127,967.40 : x
  2. Step 2: Convert to fraction form
    246,335.40/369,416.70 = 127,967.40/x
  3. Step 3: Cross multiply
    246,335.40x = 369,416.70 × 127,967.40
  4. Step 4: Simplify right side
    246,335.40x = 47,273,294,615.58
  5. Step 5: Solve for x
    x = 47,273,294,615.58/246,335.40
  6. Step 6: Final answer
    x = 191,906.22

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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.