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Finding the Fourth Proportional to 436,038.25, 601,597.55 and 254,619.31

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Solution

The fourth proportional to 436,038.25, 601,597.55 and 254,619.31 is: 351,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,038.25 : 601,597.55 = 254,619.31 : x
  2. Step 2: Convert to fraction form
    436,038.25/601,597.55 = 254,619.31/x
  3. Step 3: Cross multiply
    436,038.25x = 601,597.55 × 254,619.31
  4. Step 4: Simplify right side
    436,038.25x = 153,178,351,907.01
  5. Step 5: Solve for x
    x = 153,178,351,907.01/436,038.25
  6. Step 6: Final answer
    x = 351,295.68

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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.