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Finding the Fourth Proportional to 436,661.64, 602,544.33 and 245,670.96

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Solution

The fourth proportional to 436,661.64, 602,544.33 and 245,670.96 is: 338,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,661.64 : 602,544.33 = 245,670.96 : x
  2. Step 2: Convert to fraction form
    436,661.64/602,544.33 = 245,670.96/x
  3. Step 3: Cross multiply
    436,661.64x = 602,544.33 × 245,670.96
  4. Step 4: Simplify right side
    436,661.64x = 148,027,643,993.66
  5. Step 5: Solve for x
    x = 148,027,643,993.66/436,661.64
  6. Step 6: Final answer
    x = 338,998.51

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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.