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Finding the Fourth Proportional to 436,643.44, 602,535.72 and 245,620.06

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Solution

The fourth proportional to 436,643.44, 602,535.72 and 245,620.06 is: 338,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,643.44 : 602,535.72 = 245,620.06 : x
  2. Step 2: Convert to fraction form
    436,643.44/602,535.72 = 245,620.06/x
  3. Step 3: Cross multiply
    436,643.44x = 602,535.72 × 245,620.06
  4. Step 4: Simplify right side
    436,643.44x = 147,994,859,698.54
  5. Step 5: Solve for x
    x = 147,994,859,698.54/436,643.44
  6. Step 6: Final answer
    x = 338,937.55

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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.