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Finding the Fourth Proportional to 404,751.44, 607,075.08 and 124,245.20

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Solution

The fourth proportional to 404,751.44, 607,075.08 and 124,245.20 is: 186,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,751.44 : 607,075.08 = 124,245.20 : x
  2. Step 2: Convert to fraction form
    404,751.44/607,075.08 = 124,245.20/x
  3. Step 3: Cross multiply
    404,751.44x = 607,075.08 × 124,245.20
  4. Step 4: Simplify right side
    404,751.44x = 75,426,164,729.62
  5. Step 5: Solve for x
    x = 75,426,164,729.62/404,751.44
  6. Step 6: Final answer
    x = 186,351.81

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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.