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Finding the Fourth Proportional to 299,152.40, 448,728.60 and 181,054.40

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Solution

The fourth proportional to 299,152.40, 448,728.60 and 181,054.40 is: 271,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,152.40 : 448,728.60 = 181,054.40 : x
  2. Step 2: Convert to fraction form
    299,152.40/448,728.60 = 181,054.40/x
  3. Step 3: Cross multiply
    299,152.40x = 448,728.60 × 181,054.40
  4. Step 4: Simplify right side
    299,152.40x = 81,244,287,435.84
  5. Step 5: Solve for x
    x = 81,244,287,435.84/299,152.40
  6. Step 6: Final answer
    x = 271,581.60

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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.