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Finding the Fourth Proportional to 674,047.49, 930,190.97 and 372,241.49

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Solution

The fourth proportional to 674,047.49, 930,190.97 and 372,241.49 is: 513,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,047.49 : 930,190.97 = 372,241.49 : x
  2. Step 2: Convert to fraction form
    674,047.49/930,190.97 = 372,241.49/x
  3. Step 3: Cross multiply
    674,047.49x = 930,190.97 × 372,241.49
  4. Step 4: Simplify right side
    674,047.49x = 346,255,668,936.99
  5. Step 5: Solve for x
    x = 346,255,668,936.99/674,047.49
  6. Step 6: Final answer
    x = 513,696.26

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1.5x scale

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.