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Finding the Fourth Proportional to 489,075.48, 733,615.83 and 222,649.74

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Solution

The fourth proportional to 489,075.48, 733,615.83 and 222,649.74 is: 333,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,075.48 : 733,615.83 = 222,649.74 : x
  2. Step 2: Convert to fraction form
    489,075.48/733,615.83 = 222,649.74/x
  3. Step 3: Cross multiply
    489,075.48x = 733,615.83 × 222,649.74
  4. Step 4: Simplify right side
    489,075.48x = 163,339,373,809.38
  5. Step 5: Solve for x
    x = 163,339,373,809.38/489,075.48
  6. Step 6: Final answer
    x = 333,975.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.