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Finding the Fourth Proportional to 431,461.18, 647,483.37 and 150,980.86

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Solution

The fourth proportional to 431,461.18, 647,483.37 and 150,980.86 is: 226,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,461.18 : 647,483.37 = 150,980.86 : x
  2. Step 2: Convert to fraction form
    431,461.18/647,483.37 = 150,980.86/x
  3. Step 3: Cross multiply
    431,461.18x = 647,483.37 × 150,980.86
  4. Step 4: Simplify right side
    431,461.18x = 97,757,596,038.30
  5. Step 5: Solve for x
    x = 97,757,596,038.30/431,461.18
  6. Step 6: Final answer
    x = 226,573.33

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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.