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Finding the Fourth Proportional to 454,580.96, 627,590.84 and 404,140.64

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Solution

The fourth proportional to 454,580.96, 627,590.84 and 404,140.64 is: 557,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,580.96 : 627,590.84 = 404,140.64 : x
  2. Step 2: Convert to fraction form
    454,580.96/627,590.84 = 404,140.64/x
  3. Step 3: Cross multiply
    454,580.96x = 627,590.84 × 404,140.64
  4. Step 4: Simplify right side
    454,580.96x = 253,634,958,577.08
  5. Step 5: Solve for x
    x = 253,634,958,577.08/454,580.96
  6. Step 6: Final answer
    x = 557,953.33

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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.