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Finding the Fourth Proportional to 328,444.79, 491,707.60 and 296,927.69

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Solution

The fourth proportional to 328,444.79, 491,707.60 and 296,927.69 is: 444,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,444.79 : 491,707.60 = 296,927.69 : x
  2. Step 2: Convert to fraction form
    328,444.79/491,707.60 = 296,927.69/x
  3. Step 3: Cross multiply
    328,444.79x = 491,707.60 × 296,927.69
  4. Step 4: Simplify right side
    328,444.79x = 146,001,598,622.59
  5. Step 5: Solve for x
    x = 146,001,598,622.59/328,444.79
  6. Step 6: Final answer
    x = 444,524.03

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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.