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Finding the Fourth Proportional to 445,883.76, 615,317.94 and 264,744.59

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Solution

The fourth proportional to 445,883.76, 615,317.94 and 264,744.59 is: 365,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,883.76 : 615,317.94 = 264,744.59 : x
  2. Step 2: Convert to fraction form
    445,883.76/615,317.94 = 264,744.59/x
  3. Step 3: Cross multiply
    445,883.76x = 615,317.94 × 264,744.59
  4. Step 4: Simplify right side
    445,883.76x = 162,902,092,668.36
  5. Step 5: Solve for x
    x = 162,902,092,668.36/445,883.76
  6. Step 6: Final answer
    x = 365,346.55

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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.