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Finding the Fourth Proportional to 464,245.52, 636,486.56 and 455,847.44

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Solution

The fourth proportional to 464,245.52, 636,486.56 and 455,847.44 is: 624,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,245.52 : 636,486.56 = 455,847.44 : x
  2. Step 2: Convert to fraction form
    464,245.52/636,486.56 = 455,847.44/x
  3. Step 3: Cross multiply
    464,245.52x = 636,486.56 × 455,847.44
  4. Step 4: Simplify right side
    464,245.52x = 290,140,768,970.41
  5. Step 5: Solve for x
    x = 290,140,768,970.41/464,245.52
  6. Step 6: Final answer
    x = 624,972.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.