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Finding the Fourth Proportional to 464,820.35, 641,516.43 and 260,883.41

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Solution

The fourth proportional to 464,820.35, 641,516.43 and 260,883.41 is: 360,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,820.35 : 641,516.43 = 260,883.41 : x
  2. Step 2: Convert to fraction form
    464,820.35/641,516.43 = 260,883.41/x
  3. Step 3: Cross multiply
    464,820.35x = 641,516.43 × 260,883.41
  4. Step 4: Simplify right side
    464,820.35x = 167,360,993,829.43
  5. Step 5: Solve for x
    x = 167,360,993,829.43/464,820.35
  6. Step 6: Final answer
    x = 360,055.22

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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.