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Finding the Fourth Proportional to 357,925.32, 493,937.26 and 196,783.11

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Solution

The fourth proportional to 357,925.32, 493,937.26 and 196,783.11 is: 271,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,925.32 : 493,937.26 = 196,783.11 : x
  2. Step 2: Convert to fraction form
    357,925.32/493,937.26 = 196,783.11/x
  3. Step 3: Cross multiply
    357,925.32x = 493,937.26 × 196,783.11
  4. Step 4: Simplify right side
    357,925.32x = 97,198,509,675.72
  5. Step 5: Solve for x
    x = 97,198,509,675.72/357,925.32
  6. Step 6: Final answer
    x = 271,560.87

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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.