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Finding the Fourth Proportional to 300,048.84, 414,110.88 and 172,723.32

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Solution

The fourth proportional to 300,048.84, 414,110.88 and 172,723.32 is: 238,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,048.84 : 414,110.88 = 172,723.32 : x
  2. Step 2: Convert to fraction form
    300,048.84/414,110.88 = 172,723.32/x
  3. Step 3: Cross multiply
    300,048.84x = 414,110.88 × 172,723.32
  4. Step 4: Simplify right side
    300,048.84x = 71,526,606,041.72
  5. Step 5: Solve for x
    x = 71,526,606,041.72/300,048.84
  6. Step 6: Final answer
    x = 238,383.21

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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.