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Finding the Fourth Proportional to 246,415.38, 369,490.82 and 126,422.89

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Solution

The fourth proportional to 246,415.38, 369,490.82 and 126,422.89 is: 189,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,415.38 : 369,490.82 = 126,422.89 : x
  2. Step 2: Convert to fraction form
    246,415.38/369,490.82 = 126,422.89/x
  3. Step 3: Cross multiply
    246,415.38x = 369,490.82 × 126,422.89
  4. Step 4: Simplify right side
    246,415.38x = 46,712,097,292.87
  5. Step 5: Solve for x
    x = 46,712,097,292.87/246,415.38
  6. Step 6: Final answer
    x = 189,566.48

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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.