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Finding the Fourth Proportional to 617,881.48, 926,237.84 and 465,842.65

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Solution

The fourth proportional to 617,881.48, 926,237.84 and 465,842.65 is: 698,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,881.48 : 926,237.84 = 465,842.65 : x
  2. Step 2: Convert to fraction form
    617,881.48/926,237.84 = 465,842.65/x
  3. Step 3: Cross multiply
    617,881.48x = 926,237.84 × 465,842.65
  4. Step 4: Simplify right side
    617,881.48x = 431,481,087,586.66
  5. Step 5: Solve for x
    x = 431,481,087,586.66/617,881.48
  6. Step 6: Final answer
    x = 698,323.39

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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.