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Finding the Fourth Proportional to 311,940.01, 430,477.23 and 168,700.02

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Solution

The fourth proportional to 311,940.01, 430,477.23 and 168,700.02 is: 232,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,940.01 : 430,477.23 = 168,700.02 : x
  2. Step 2: Convert to fraction form
    311,940.01/430,477.23 = 168,700.02/x
  3. Step 3: Cross multiply
    311,940.01x = 430,477.23 × 168,700.02
  4. Step 4: Simplify right side
    311,940.01x = 72,621,516,328.88
  5. Step 5: Solve for x
    x = 72,621,516,328.88/311,940.01
  6. Step 6: Final answer
    x = 232,806.03

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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.