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Finding the Fourth Proportional to 434,597.58, 599,769.90 and 243,672.48

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Solution

The fourth proportional to 434,597.58, 599,769.90 and 243,672.48 is: 336,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,597.58 : 599,769.90 = 243,672.48 : x
  2. Step 2: Convert to fraction form
    434,597.58/599,769.90 = 243,672.48/x
  3. Step 3: Cross multiply
    434,597.58x = 599,769.90 × 243,672.48
  4. Step 4: Simplify right side
    434,597.58x = 146,147,418,962.35
  5. Step 5: Solve for x
    x = 146,147,418,962.35/434,597.58
  6. Step 6: Final answer
    x = 336,282.17

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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.