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Finding the Fourth Proportional to 552,078.60, 828,117.90 and 178,101.60

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Solution

The fourth proportional to 552,078.60, 828,117.90 and 178,101.60 is: 267,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,078.60 : 828,117.90 = 178,101.60 : x
  2. Step 2: Convert to fraction form
    552,078.60/828,117.90 = 178,101.60/x
  3. Step 3: Cross multiply
    552,078.60x = 828,117.90 × 178,101.60
  4. Step 4: Simplify right side
    552,078.60x = 147,489,122,978.64
  5. Step 5: Solve for x
    x = 147,489,122,978.64/552,078.60
  6. Step 6: Final answer
    x = 267,152.40

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Similar ratio
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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.