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Finding the Fourth Proportional to 635,549.32, 952,939.82 and 256,026.80

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Solution

The fourth proportional to 635,549.32, 952,939.82 and 256,026.80 is: 383,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,549.32 : 952,939.82 = 256,026.80 : x
  2. Step 2: Convert to fraction form
    635,549.32/952,939.82 = 256,026.80/x
  3. Step 3: Cross multiply
    635,549.32x = 952,939.82 × 256,026.80
  4. Step 4: Simplify right side
    635,549.32x = 243,978,127,942.48
  5. Step 5: Solve for x
    x = 243,978,127,942.48/635,549.32
  6. Step 6: Final answer
    x = 383,885.44

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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.