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Finding the Fourth Proportional to 339,473.60, 468,473.68 and 186,521.58

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Solution

The fourth proportional to 339,473.60, 468,473.68 and 186,521.58 is: 257,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,473.60 : 468,473.68 = 186,521.58 : x
  2. Step 2: Convert to fraction form
    339,473.60/468,473.68 = 186,521.58/x
  3. Step 3: Cross multiply
    339,473.60x = 468,473.68 × 186,521.58
  4. Step 4: Simplify right side
    339,473.60x = 87,380,450,982.01
  5. Step 5: Solve for x
    x = 87,380,450,982.01/339,473.60
  6. Step 6: Final answer
    x = 257,399.84

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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.