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Finding the Fourth Proportional to 574,102.08, 792,481.32 and 431,276.40

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Solution

The fourth proportional to 574,102.08, 792,481.32 and 431,276.40 is: 595,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,102.08 : 792,481.32 = 431,276.40 : x
  2. Step 2: Convert to fraction form
    574,102.08/792,481.32 = 431,276.40/x
  3. Step 3: Cross multiply
    574,102.08x = 792,481.32 × 431,276.40
  4. Step 4: Simplify right side
    574,102.08x = 341,778,490,756.85
  5. Step 5: Solve for x
    x = 341,778,490,756.85/574,102.08
  6. Step 6: Final answer
    x = 595,327.04

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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.