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Finding the Fourth Proportional to 521,170.91, 719,225.48 and 294,816.41

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Solution

The fourth proportional to 521,170.91, 719,225.48 and 294,816.41 is: 406,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,170.91 : 719,225.48 = 294,816.41 : x
  2. Step 2: Convert to fraction form
    521,170.91/719,225.48 = 294,816.41/x
  3. Step 3: Cross multiply
    521,170.91x = 719,225.48 × 294,816.41
  4. Step 4: Simplify right side
    521,170.91x = 212,039,472,173.79
  5. Step 5: Solve for x
    x = 212,039,472,173.79/521,170.91
  6. Step 6: Final answer
    x = 406,852.09

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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.