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Finding the Fourth Proportional to 424,993.07, 586,311.50 and 281,504.00

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Solution

The fourth proportional to 424,993.07, 586,311.50 and 281,504.00 is: 388,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,993.07 : 586,311.50 = 281,504.00 : x
  2. Step 2: Convert to fraction form
    424,993.07/586,311.50 = 281,504.00/x
  3. Step 3: Cross multiply
    424,993.07x = 586,311.50 × 281,504.00
  4. Step 4: Simplify right side
    424,993.07x = 165,049,034,665.54
  5. Step 5: Solve for x
    x = 165,049,034,665.54/424,993.07
  6. Step 6: Final answer
    x = 388,357.00

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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.