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Finding the Fourth Proportional to 572,586, 790,193.04 and 317,937

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Solution

The fourth proportional to 572,586, 790,193.04 and 317,937 is: 438,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,586 : 790,193.04 = 317,937 : x
  2. Step 2: Convert to fraction form
    572,586/790,193.04 = 317,937/x
  3. Step 3: Cross multiply
    572,586x = 790,193.04 × 317,937
  4. Step 4: Simplify right side
    572,586x = 251,231,604,558.48
  5. Step 5: Solve for x
    x = 251,231,604,558.48/572,586
  6. Step 6: Final answer
    x = 438,766.59

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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.