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Finding the Fourth Proportional to 488,806.10, 733,264.52 and 438,577.59

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Solution

The fourth proportional to 488,806.10, 733,264.52 and 438,577.59 is: 657,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,806.10 : 733,264.52 = 438,577.59 : x
  2. Step 2: Convert to fraction form
    488,806.10/733,264.52 = 438,577.59/x
  3. Step 3: Cross multiply
    488,806.10x = 733,264.52 × 438,577.59
  4. Step 4: Simplify right side
    488,806.10x = 321,593,383,821.22
  5. Step 5: Solve for x
    x = 321,593,383,821.22/488,806.10
  6. Step 6: Final answer
    x = 657,916.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.