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Finding the Fourth Proportional to 365,690.88, 504,760.68 and 212,765.04

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Solution

The fourth proportional to 365,690.88, 504,760.68 and 212,765.04 is: 293,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,690.88 : 504,760.68 = 212,765.04 : x
  2. Step 2: Convert to fraction form
    365,690.88/504,760.68 = 212,765.04/x
  3. Step 3: Cross multiply
    365,690.88x = 504,760.68 × 212,765.04
  4. Step 4: Simplify right side
    365,690.88x = 107,395,426,270.63
  5. Step 5: Solve for x
    x = 107,395,426,270.63/365,690.88
  6. Step 6: Final answer
    x = 293,678.16

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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.