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Finding the Fourth Proportional to 605,688.27, 835,792.70 and 357,291.51

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Solution

The fourth proportional to 605,688.27, 835,792.70 and 357,291.51 is: 493,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,688.27 : 835,792.70 = 357,291.51 : x
  2. Step 2: Convert to fraction form
    605,688.27/835,792.70 = 357,291.51/x
  3. Step 3: Cross multiply
    605,688.27x = 835,792.70 × 357,291.51
  4. Step 4: Simplify right side
    605,688.27x = 298,621,633,923.94
  5. Step 5: Solve for x
    x = 298,621,633,923.94/605,688.27
  6. Step 6: Final answer
    x = 493,028.59

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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.