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Finding the Fourth Proportional to 620,536.33, 930,498.01 and 364,433.16

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Solution

The fourth proportional to 620,536.33, 930,498.01 and 364,433.16 is: 546,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,536.33 : 930,498.01 = 364,433.16 : x
  2. Step 2: Convert to fraction form
    620,536.33/930,498.01 = 364,433.16/x
  3. Step 3: Cross multiply
    620,536.33x = 930,498.01 × 364,433.16
  4. Step 4: Simplify right side
    620,536.33x = 339,104,330,158.01
  5. Step 5: Solve for x
    x = 339,104,330,158.01/620,536.33
  6. Step 6: Final answer
    x = 546,469.75

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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.