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Finding the Fourth Proportional to 436,764.96, 602,686.80 and 245,844

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Solution

The fourth proportional to 436,764.96, 602,686.80 and 245,844 is: 339,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,764.96 : 602,686.80 = 245,844 : x
  2. Step 2: Convert to fraction form
    436,764.96/602,686.80 = 245,844/x
  3. Step 3: Cross multiply
    436,764.96x = 602,686.80 × 245,844
  4. Step 4: Simplify right side
    436,764.96x = 148,166,933,659.20
  5. Step 5: Solve for x
    x = 148,166,933,659.20/436,764.96
  6. Step 6: Final answer
    x = 339,237.23

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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.