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Finding the Fourth Proportional to 549,850.64, 758,757.96 and 323,452.40

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Solution

The fourth proportional to 549,850.64, 758,757.96 and 323,452.40 is: 446,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,850.64 : 758,757.96 = 323,452.40 : x
  2. Step 2: Convert to fraction form
    549,850.64/758,757.96 = 323,452.40/x
  3. Step 3: Cross multiply
    549,850.64x = 758,757.96 × 323,452.40
  4. Step 4: Simplify right side
    549,850.64x = 245,422,083,181.10
  5. Step 5: Solve for x
    x = 245,422,083,181.10/549,850.64
  6. Step 6: Final answer
    x = 446,343.18

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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.