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Finding the Fourth Proportional to 432,818.43, 652,181.96 and 355,661.07

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Solution

The fourth proportional to 432,818.43, 652,181.96 and 355,661.07 is: 535,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,818.43 : 652,181.96 = 355,661.07 : x
  2. Step 2: Convert to fraction form
    432,818.43/652,181.96 = 355,661.07/x
  3. Step 3: Cross multiply
    432,818.43x = 652,181.96 × 355,661.07
  4. Step 4: Simplify right side
    432,818.43x = 231,955,731,949.99
  5. Step 5: Solve for x
    x = 231,955,731,949.99/432,818.43
  6. Step 6: Final answer
    x = 535,919.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.