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Finding the Fourth Proportional to 248,345.84, 372,609.48 and 154,930.16

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Solution

The fourth proportional to 248,345.84, 372,609.48 and 154,930.16 is: 232,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,345.84 : 372,609.48 = 154,930.16 : x
  2. Step 2: Convert to fraction form
    248,345.84/372,609.48 = 154,930.16/x
  3. Step 3: Cross multiply
    248,345.84x = 372,609.48 × 154,930.16
  4. Step 4: Simplify right side
    248,345.84x = 57,728,446,353.92
  5. Step 5: Solve for x
    x = 57,728,446,353.92/248,345.84
  6. Step 6: Final answer
    x = 232,451.84

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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.