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Finding the Fourth Proportional to 272,193.40, 407,852.70 and 201,334.60

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Solution

The fourth proportional to 272,193.40, 407,852.70 and 201,334.60 is: 301,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,193.40 : 407,852.70 = 201,334.60 : x
  2. Step 2: Convert to fraction form
    272,193.40/407,852.70 = 201,334.60/x
  3. Step 3: Cross multiply
    272,193.40x = 407,852.70 × 201,334.60
  4. Step 4: Simplify right side
    272,193.40x = 82,114,860,213.42
  5. Step 5: Solve for x
    x = 82,114,860,213.42/272,193.40
  6. Step 6: Final answer
    x = 301,678.37

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1.5x scale

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.