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Finding the Fourth Proportional to 437,551.28, 603,820.68 and 236,347.28

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Solution

The fourth proportional to 437,551.28, 603,820.68 and 236,347.28 is: 326,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,551.28 : 603,820.68 = 236,347.28 : x
  2. Step 2: Convert to fraction form
    437,551.28/603,820.68 = 236,347.28/x
  3. Step 3: Cross multiply
    437,551.28x = 603,820.68 × 236,347.28
  4. Step 4: Simplify right side
    437,551.28x = 142,711,375,325.75
  5. Step 5: Solve for x
    x = 142,711,375,325.75/437,551.28
  6. Step 6: Final answer
    x = 326,159.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.