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Finding the Fourth Proportional to 404,652.20, 606,978.30 and 404,652.20

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Solution

The fourth proportional to 404,652.20, 606,978.30 and 404,652.20 is: 606,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,652.20 : 606,978.30 = 404,652.20 : x
  2. Step 2: Convert to fraction form
    404,652.20/606,978.30 = 404,652.20/x
  3. Step 3: Cross multiply
    404,652.20x = 606,978.30 × 404,652.20
  4. Step 4: Simplify right side
    404,652.20x = 245,615,104,447.26
  5. Step 5: Solve for x
    x = 245,615,104,447.26/404,652.20
  6. Step 6: Final answer
    x = 606,978.30

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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.