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Finding the Fourth Proportional to 296,681.01, 445,021.53 and 197,035.83

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Solution

The fourth proportional to 296,681.01, 445,021.53 and 197,035.83 is: 295,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,681.01 : 445,021.53 = 197,035.83 : x
  2. Step 2: Convert to fraction form
    296,681.01/445,021.53 = 197,035.83/x
  3. Step 3: Cross multiply
    296,681.01x = 445,021.53 × 197,035.83
  4. Step 4: Simplify right side
    296,681.01x = 87,685,186,531.42
  5. Step 5: Solve for x
    x = 87,685,186,531.42/296,681.01
  6. Step 6: Final answer
    x = 295,553.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.