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Finding the Fourth Proportional to 462,724.43, 638,592.26 and 258,794.33

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Solution

The fourth proportional to 462,724.43, 638,592.26 and 258,794.33 is: 357,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,724.43 : 638,592.26 = 258,794.33 : x
  2. Step 2: Convert to fraction form
    462,724.43/638,592.26 = 258,794.33/x
  3. Step 3: Cross multiply
    462,724.43x = 638,592.26 × 258,794.33
  4. Step 4: Simplify right side
    462,724.43x = 165,264,051,582.95
  5. Step 5: Solve for x
    x = 165,264,051,582.95/462,724.43
  6. Step 6: Final answer
    x = 357,154.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.