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Finding the Fourth Proportional to 311,833.06, 430,329.51 and 168,593.06

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Solution

The fourth proportional to 311,833.06, 430,329.51 and 168,593.06 is: 232,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,833.06 : 430,329.51 = 168,593.06 : x
  2. Step 2: Convert to fraction form
    311,833.06/430,329.51 = 168,593.06/x
  3. Step 3: Cross multiply
    311,833.06x = 430,329.51 × 168,593.06
  4. Step 4: Simplify right side
    311,833.06x = 72,550,569,975.02
  5. Step 5: Solve for x
    x = 72,550,569,975.02/311,833.06
  6. Step 6: Final answer
    x = 232,658.37

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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.