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Finding the Fourth Proportional to 595,391.60, 821,641.38 and 323,460.56

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Solution

The fourth proportional to 595,391.60, 821,641.38 and 323,460.56 is: 446,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,391.60 : 821,641.38 = 323,460.56 : x
  2. Step 2: Convert to fraction form
    595,391.60/821,641.38 = 323,460.56/x
  3. Step 3: Cross multiply
    595,391.60x = 821,641.38 × 323,460.56
  4. Step 4: Simplify right side
    595,391.60x = 265,768,580,893.97
  5. Step 5: Solve for x
    x = 265,768,580,893.97/595,391.60
  6. Step 6: Final answer
    x = 446,376.10

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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.