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Finding the Fourth Proportional to 415,663.14, 622,592.50 and 255,252.22

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Solution

The fourth proportional to 415,663.14, 622,592.50 and 255,252.22 is: 382,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,663.14 : 622,592.50 = 255,252.22 : x
  2. Step 2: Convert to fraction form
    415,663.14/622,592.50 = 255,252.22/x
  3. Step 3: Cross multiply
    415,663.14x = 622,592.50 × 255,252.22
  4. Step 4: Simplify right side
    415,663.14x = 158,918,117,780.35
  5. Step 5: Solve for x
    x = 158,918,117,780.35/415,663.14
  6. Step 6: Final answer
    x = 382,324.30

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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.