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Finding the Fourth Proportional to 433,579.20, 650,109.60 and 223,627.20

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Solution

The fourth proportional to 433,579.20, 650,109.60 and 223,627.20 is: 335,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,579.20 : 650,109.60 = 223,627.20 : x
  2. Step 2: Convert to fraction form
    433,579.20/650,109.60 = 223,627.20/x
  3. Step 3: Cross multiply
    433,579.20x = 650,109.60 × 223,627.20
  4. Step 4: Simplify right side
    433,579.20x = 145,382,189,541.12
  5. Step 5: Solve for x
    x = 145,382,189,541.12/433,579.20
  6. Step 6: Final answer
    x = 335,307.11

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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.