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Finding the Fourth Proportional to 368,285.15, 549,728.48 and 341,236.52

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Solution

The fourth proportional to 368,285.15, 549,728.48 and 341,236.52 is: 509,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,285.15 : 549,728.48 = 341,236.52 : x
  2. Step 2: Convert to fraction form
    368,285.15/549,728.48 = 341,236.52/x
  3. Step 3: Cross multiply
    368,285.15x = 549,728.48 × 341,236.52
  4. Step 4: Simplify right side
    368,285.15x = 187,587,433,626.02
  5. Step 5: Solve for x
    x = 187,587,433,626.02/368,285.15
  6. Step 6: Final answer
    x = 509,353.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.