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Finding the Fourth Proportional to 507,661.06, 700,576.41 and 281,310.34

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Solution

The fourth proportional to 507,661.06, 700,576.41 and 281,310.34 is: 388,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,661.06 : 700,576.41 = 281,310.34 : x
  2. Step 2: Convert to fraction form
    507,661.06/700,576.41 = 281,310.34/x
  3. Step 3: Cross multiply
    507,661.06x = 700,576.41 × 281,310.34
  4. Step 4: Simplify right side
    507,661.06x = 197,079,388,093.08
  5. Step 5: Solve for x
    x = 197,079,388,093.08/507,661.06
  6. Step 6: Final answer
    x = 388,210.57

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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.