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Finding the Fourth Proportional to 451,369.60, 622,956.36 and 260,345.68

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Solution

The fourth proportional to 451,369.60, 622,956.36 and 260,345.68 is: 359,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,369.60 : 622,956.36 = 260,345.68 : x
  2. Step 2: Convert to fraction form
    451,369.60/622,956.36 = 260,345.68/x
  3. Step 3: Cross multiply
    451,369.60x = 622,956.36 × 260,345.68
  4. Step 4: Simplify right side
    451,369.60x = 162,183,997,154.53
  5. Step 5: Solve for x
    x = 162,183,997,154.53/451,369.60
  6. Step 6: Final answer
    x = 359,315.29

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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.