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Finding the Fourth Proportional to 339,666.27, 468,760.46 and 282,979.23

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Solution

The fourth proportional to 339,666.27, 468,760.46 and 282,979.23 is: 390,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,666.27 : 468,760.46 = 282,979.23 : x
  2. Step 2: Convert to fraction form
    339,666.27/468,760.46 = 282,979.23/x
  3. Step 3: Cross multiply
    339,666.27x = 468,760.46 × 282,979.23
  4. Step 4: Simplify right side
    339,666.27x = 132,649,474,025.25
  5. Step 5: Solve for x
    x = 132,649,474,025.25/339,666.27
  6. Step 6: Final answer
    x = 390,528.84

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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.