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Finding the Fourth Proportional to 435,491.15, 652,982.46 and 168,940.19

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Solution

The fourth proportional to 435,491.15, 652,982.46 and 168,940.19 is: 253,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,491.15 : 652,982.46 = 168,940.19 : x
  2. Step 2: Convert to fraction form
    435,491.15/652,982.46 = 168,940.19/x
  3. Step 3: Cross multiply
    435,491.15x = 652,982.46 × 168,940.19
  4. Step 4: Simplify right side
    435,491.15x = 110,314,977,594.16
  5. Step 5: Solve for x
    x = 110,314,977,594.16/435,491.15
  6. Step 6: Final answer
    x = 253,311.64

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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.