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Finding the Fourth Proportional to 488,962.28, 674,774.08 and 297,993.44

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Solution

The fourth proportional to 488,962.28, 674,774.08 and 297,993.44 is: 411,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,962.28 : 674,774.08 = 297,993.44 : x
  2. Step 2: Convert to fraction form
    488,962.28/674,774.08 = 297,993.44/x
  3. Step 3: Cross multiply
    488,962.28x = 674,774.08 × 297,993.44
  4. Step 4: Simplify right side
    488,962.28x = 201,078,249,322.04
  5. Step 5: Solve for x
    x = 201,078,249,322.04/488,962.28
  6. Step 6: Final answer
    x = 411,234.69

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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.