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Finding the Fourth Proportional to 347,956.08, 480,163.32 and 197,054.16

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Solution

The fourth proportional to 347,956.08, 480,163.32 and 197,054.16 is: 271,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,956.08 : 480,163.32 = 197,054.16 : x
  2. Step 2: Convert to fraction form
    347,956.08/480,163.32 = 197,054.16/x
  3. Step 3: Cross multiply
    347,956.08x = 480,163.32 × 197,054.16
  4. Step 4: Simplify right side
    347,956.08x = 94,618,179,685.41
  5. Step 5: Solve for x
    x = 94,618,179,685.41/347,956.08
  6. Step 6: Final answer
    x = 271,925.64

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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.