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Finding the Fourth Proportional to 290,527.34, 400,975.38 and 242,052.48

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Solution

The fourth proportional to 290,527.34, 400,975.38 and 242,052.48 is: 334,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,527.34 : 400,975.38 = 242,052.48 : x
  2. Step 2: Convert to fraction form
    290,527.34/400,975.38 = 242,052.48/x
  3. Step 3: Cross multiply
    290,527.34x = 400,975.38 × 242,052.48
  4. Step 4: Simplify right side
    290,527.34x = 97,057,085,147.94
  5. Step 5: Solve for x
    x = 97,057,085,147.94/290,527.34
  6. Step 6: Final answer
    x = 334,072.13

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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.