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Finding the Fourth Proportional to 443,231.58, 611,658.63 and 242,027.58

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Solution

The fourth proportional to 443,231.58, 611,658.63 and 242,027.58 is: 333,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,231.58 : 611,658.63 = 242,027.58 : x
  2. Step 2: Convert to fraction form
    443,231.58/611,658.63 = 242,027.58/x
  3. Step 3: Cross multiply
    443,231.58x = 611,658.63 × 242,027.58
  4. Step 4: Simplify right side
    443,231.58x = 148,038,258,005.02
  5. Step 5: Solve for x
    x = 148,038,258,005.02/443,231.58
  6. Step 6: Final answer
    x = 333,997.54

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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.