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Finding the Fourth Proportional to 367,464.60, 549,968.10 and 256,872.60

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Solution

The fourth proportional to 367,464.60, 549,968.10 and 256,872.60 is: 384,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,464.60 : 549,968.10 = 256,872.60 : x
  2. Step 2: Convert to fraction form
    367,464.60/549,968.10 = 256,872.60/x
  3. Step 3: Cross multiply
    367,464.60x = 549,968.10 × 256,872.60
  4. Step 4: Simplify right side
    367,464.60x = 141,271,735,764.06
  5. Step 5: Solve for x
    x = 141,271,735,764.06/367,464.60
  6. Step 6: Final answer
    x = 384,449.92

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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.