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Finding the Fourth Proportional to 508,620.72, 701,850.22 and 301,853.44

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Solution

The fourth proportional to 508,620.72, 701,850.22 and 301,853.44 is: 416,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,620.72 : 701,850.22 = 301,853.44 : x
  2. Step 2: Convert to fraction form
    508,620.72/701,850.22 = 301,853.44/x
  3. Step 3: Cross multiply
    508,620.72x = 701,850.22 × 301,853.44
  4. Step 4: Simplify right side
    508,620.72x = 211,855,903,271.76
  5. Step 5: Solve for x
    x = 211,855,903,271.76/508,620.72
  6. Step 6: Final answer
    x = 416,530.23

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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.