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Finding the Fourth Proportional to 436,704.13, 602,663.48 and 245,724.31

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Solution

The fourth proportional to 436,704.13, 602,663.48 and 245,724.31 is: 339,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,704.13 : 602,663.48 = 245,724.31 : x
  2. Step 2: Convert to fraction form
    436,704.13/602,663.48 = 245,724.31/x
  3. Step 3: Cross multiply
    436,704.13x = 602,663.48 × 245,724.31
  4. Step 4: Simplify right side
    436,704.13x = 148,089,067,785.20
  5. Step 5: Solve for x
    x = 148,089,067,785.20/436,704.13
  6. Step 6: Final answer
    x = 339,106.18

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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.