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Finding the Fourth Proportional to 541,422.60, 812,932.28 and 302,004.28

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Solution

The fourth proportional to 541,422.60, 812,932.28 and 302,004.28 is: 453,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,422.60 : 812,932.28 = 302,004.28 : x
  2. Step 2: Convert to fraction form
    541,422.60/812,932.28 = 302,004.28/x
  3. Step 3: Cross multiply
    541,422.60x = 812,932.28 × 302,004.28
  4. Step 4: Simplify right side
    541,422.60x = 245,509,026,400.14
  5. Step 5: Solve for x
    x = 245,509,026,400.14/541,422.60
  6. Step 6: Final answer
    x = 453,451.75

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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.