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Finding the Fourth Proportional to 464,667.50, 641,252.20 and 260,733.51

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Solution

The fourth proportional to 464,667.50, 641,252.20 and 260,733.51 is: 359,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,667.50 : 641,252.20 = 260,733.51 : x
  2. Step 2: Convert to fraction form
    464,667.50/641,252.20 = 260,733.51/x
  3. Step 3: Cross multiply
    464,667.50x = 641,252.20 × 260,733.51
  4. Step 4: Simplify right side
    464,667.50x = 167,195,936,901.22
  5. Step 5: Solve for x
    x = 167,195,936,901.22/464,667.50
  6. Step 6: Final answer
    x = 359,818.44

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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.