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Finding the Fourth Proportional to 425,070.32, 637,494.73 and 200,371.10

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Solution

The fourth proportional to 425,070.32, 637,494.73 and 200,371.10 is: 300,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,070.32 : 637,494.73 = 200,371.10 : x
  2. Step 2: Convert to fraction form
    425,070.32/637,494.73 = 200,371.10/x
  3. Step 3: Cross multiply
    425,070.32x = 637,494.73 × 200,371.10
  4. Step 4: Simplify right side
    425,070.32x = 127,735,516,605.90
  5. Step 5: Solve for x
    x = 127,735,516,605.90/425,070.32
  6. Step 6: Final answer
    x = 300,504.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.