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Finding the Fourth Proportional to 630,988.63, 945,525.26 and 462,621.04

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Solution

The fourth proportional to 630,988.63, 945,525.26 and 462,621.04 is: 693,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,988.63 : 945,525.26 = 462,621.04 : x
  2. Step 2: Convert to fraction form
    630,988.63/945,525.26 = 462,621.04/x
  3. Step 3: Cross multiply
    630,988.63x = 945,525.26 × 462,621.04
  4. Step 4: Simplify right side
    630,988.63x = 437,419,876,814.37
  5. Step 5: Solve for x
    x = 437,419,876,814.37/630,988.63
  6. Step 6: Final answer
    x = 693,229.41

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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.