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Finding the Fourth Proportional to 436,265.64, 654,748.42 and 225,963.72

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Solution

The fourth proportional to 436,265.64, 654,748.42 and 225,963.72 is: 339,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,265.64 : 654,748.42 = 225,963.72 : x
  2. Step 2: Convert to fraction form
    436,265.64/654,748.42 = 225,963.72/x
  3. Step 3: Cross multiply
    436,265.64x = 654,748.42 × 225,963.72
  4. Step 4: Simplify right side
    436,265.64x = 147,949,388,647.32
  5. Step 5: Solve for x
    x = 147,949,388,647.32/436,265.64
  6. Step 6: Final answer
    x = 339,126.84

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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.