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Finding the Fourth Proportional to 435,491.40, 652,982.83 and 168,940.44

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Solution

The fourth proportional to 435,491.40, 652,982.83 and 168,940.44 is: 253,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,491.40 : 652,982.83 = 168,940.44 : x
  2. Step 2: Convert to fraction form
    435,491.40/652,982.83 = 168,940.44/x
  3. Step 3: Cross multiply
    435,491.40x = 652,982.83 × 168,940.44
  4. Step 4: Simplify right side
    435,491.40x = 110,315,206,612.65
  5. Step 5: Solve for x
    x = 110,315,206,612.65/435,491.40
  6. Step 6: Final answer
    x = 253,312.02

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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.