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Finding the Fourth Proportional to 436,843.57, 602,744.39 and 245,787.25

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Solution

The fourth proportional to 436,843.57, 602,744.39 and 245,787.25 is: 339,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,843.57 : 602,744.39 = 245,787.25 : x
  2. Step 2: Convert to fraction form
    436,843.57/602,744.39 = 245,787.25/x
  3. Step 3: Cross multiply
    436,843.57x = 602,744.39 × 245,787.25
  4. Step 4: Simplify right side
    436,843.57x = 148,146,886,071.03
  5. Step 5: Solve for x
    x = 148,146,886,071.03/436,843.57
  6. Step 6: Final answer
    x = 339,130.29

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1.5x scale

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.