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Finding the Fourth Proportional to 603,614.40, 832,939.12 and 348,982

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Solution

The fourth proportional to 603,614.40, 832,939.12 and 348,982 is: 481,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614.40 : 832,939.12 = 348,982 : x
  2. Step 2: Convert to fraction form
    603,614.40/832,939.12 = 348,982/x
  3. Step 3: Cross multiply
    603,614.40x = 832,939.12 × 348,982
  4. Step 4: Simplify right side
    603,614.40x = 290,680,759,975.84
  5. Step 5: Solve for x
    x = 290,680,759,975.84/603,614.40
  6. Step 6: Final answer
    x = 481,566.97

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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.