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Finding the Fourth Proportional to 434,647.44, 599,842.26 and 243,673.20

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Solution

The fourth proportional to 434,647.44, 599,842.26 and 243,673.20 is: 336,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,647.44 : 599,842.26 = 243,673.20 : x
  2. Step 2: Convert to fraction form
    434,647.44/599,842.26 = 243,673.20/x
  3. Step 3: Cross multiply
    434,647.44x = 599,842.26 × 243,673.20
  4. Step 4: Simplify right side
    434,647.44x = 146,165,482,989.43
  5. Step 5: Solve for x
    x = 146,165,482,989.43/434,647.44
  6. Step 6: Final answer
    x = 336,285.16

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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.