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Finding the Fourth Proportional to 357,727.52, 493,631.88 and 196,580.72

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Solution

The fourth proportional to 357,727.52, 493,631.88 and 196,580.72 is: 271,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,727.52 : 493,631.88 = 196,580.72 : x
  2. Step 2: Convert to fraction form
    357,727.52/493,631.88 = 196,580.72/x
  3. Step 3: Cross multiply
    357,727.52x = 493,631.88 × 196,580.72
  4. Step 4: Simplify right side
    357,727.52x = 97,038,510,385.35
  5. Step 5: Solve for x
    x = 97,038,510,385.35/357,727.52
  6. Step 6: Final answer
    x = 271,263.76

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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.