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Finding the Fourth Proportional to 304,836, 420,668.01 and 168,866.94

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Solution

The fourth proportional to 304,836, 420,668.01 and 168,866.94 is: 233,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,836 : 420,668.01 = 168,866.94 : x
  2. Step 2: Convert to fraction form
    304,836/420,668.01 = 168,866.94/x
  3. Step 3: Cross multiply
    304,836x = 420,668.01 × 168,866.94
  4. Step 4: Simplify right side
    304,836x = 71,036,919,604.59
  5. Step 5: Solve for x
    x = 71,036,919,604.59/304,836
  6. Step 6: Final answer
    x = 233,033.24

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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.