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Finding the Fourth Proportional to 674,048.49, 930,192.35 and 372,242.49

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Solution

The fourth proportional to 674,048.49, 930,192.35 and 372,242.49 is: 513,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,048.49 : 930,192.35 = 372,242.49 : x
  2. Step 2: Convert to fraction form
    674,048.49/930,192.35 = 372,242.49/x
  3. Step 3: Cross multiply
    674,048.49x = 930,192.35 × 372,242.49
  4. Step 4: Simplify right side
    674,048.49x = 346,257,116,542.95
  5. Step 5: Solve for x
    x = 346,257,116,542.95/674,048.49
  6. Step 6: Final answer
    x = 513,697.64

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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.