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Finding the Fourth Proportional to 447,231.63, 617,774.85 and 440,725.35

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Solution

The fourth proportional to 447,231.63, 617,774.85 and 440,725.35 is: 608,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,231.63 : 617,774.85 = 440,725.35 : x
  2. Step 2: Convert to fraction form
    447,231.63/617,774.85 = 440,725.35/x
  3. Step 3: Cross multiply
    447,231.63x = 617,774.85 × 440,725.35
  4. Step 4: Simplify right side
    447,231.63x = 272,269,036,987.45
  5. Step 5: Solve for x
    x = 272,269,036,987.45/447,231.63
  6. Step 6: Final answer
    x = 608,787.52

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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.