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Finding the Fourth Proportional to 298,617.40, 448,055.70 and 150,873.40

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Solution

The fourth proportional to 298,617.40, 448,055.70 and 150,873.40 is: 226,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,617.40 : 448,055.70 = 150,873.40 : x
  2. Step 2: Convert to fraction form
    298,617.40/448,055.70 = 150,873.40/x
  3. Step 3: Cross multiply
    298,617.40x = 448,055.70 × 150,873.40
  4. Step 4: Simplify right side
    298,617.40x = 67,599,686,848.38
  5. Step 5: Solve for x
    x = 67,599,686,848.38/298,617.40
  6. Step 6: Final answer
    x = 226,375.58

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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.