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Finding the Fourth Proportional to 415,577.25, 573,496.74 and 236,729.25

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Solution

The fourth proportional to 415,577.25, 573,496.74 and 236,729.25 is: 326,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,577.25 : 573,496.74 = 236,729.25 : x
  2. Step 2: Convert to fraction form
    415,577.25/573,496.74 = 236,729.25/x
  3. Step 3: Cross multiply
    415,577.25x = 573,496.74 × 236,729.25
  4. Step 4: Simplify right side
    415,577.25x = 135,763,453,137.65
  5. Step 5: Solve for x
    x = 135,763,453,137.65/415,577.25
  6. Step 6: Final answer
    x = 326,686.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.