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Finding the Fourth Proportional to 300,671.40, 414,832.14 and 173,329.32

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Solution

The fourth proportional to 300,671.40, 414,832.14 and 173,329.32 is: 239,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,671.40 : 414,832.14 = 173,329.32 : x
  2. Step 2: Convert to fraction form
    300,671.40/414,832.14 = 173,329.32/x
  3. Step 3: Cross multiply
    300,671.40x = 414,832.14 × 173,329.32
  4. Step 4: Simplify right side
    300,671.40x = 71,902,572,740.34
  5. Step 5: Solve for x
    x = 71,902,572,740.34/300,671.40
  6. Step 6: Final answer
    x = 239,140.05

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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.