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Finding the Fourth Proportional to 347,172.54, 479,075.48 and 194,184.24

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Solution

The fourth proportional to 347,172.54, 479,075.48 and 194,184.24 is: 267,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,172.54 : 479,075.48 = 194,184.24 : x
  2. Step 2: Convert to fraction form
    347,172.54/479,075.48 = 194,184.24/x
  3. Step 3: Cross multiply
    347,172.54x = 479,075.48 × 194,184.24
  4. Step 4: Simplify right side
    347,172.54x = 93,028,907,986.44
  5. Step 5: Solve for x
    x = 93,028,907,986.44/347,172.54
  6. Step 6: Final answer
    x = 267,961.60

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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.