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Finding the Fourth Proportional to 404,445.10, 606,582.60 and 204,577.60

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Solution

The fourth proportional to 404,445.10, 606,582.60 and 204,577.60 is: 306,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,445.10 : 606,582.60 = 204,577.60 : x
  2. Step 2: Convert to fraction form
    404,445.10/606,582.60 = 204,577.60/x
  3. Step 3: Cross multiply
    404,445.10x = 606,582.60 × 204,577.60
  4. Step 4: Simplify right side
    404,445.10x = 124,093,212,509.76
  5. Step 5: Solve for x
    x = 124,093,212,509.76/404,445.10
  6. Step 6: Final answer
    x = 306,823.38

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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.