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Finding the Fourth Proportional to 357,332.48, 493,096.71 and 196,186.62

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Solution

The fourth proportional to 357,332.48, 493,096.71 and 196,186.62 is: 270,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,332.48 : 493,096.71 = 196,186.62 : x
  2. Step 2: Convert to fraction form
    357,332.48/493,096.71 = 196,186.62/x
  3. Step 3: Cross multiply
    357,332.48x = 493,096.71 × 196,186.62
  4. Step 4: Simplify right side
    357,332.48x = 96,738,976,868.02
  5. Step 5: Solve for x
    x = 96,738,976,868.02/357,332.48
  6. Step 6: Final answer
    x = 270,725.40

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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.