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Finding the Fourth Proportional to 682,996.69, 942,536.82 and 377,073.65

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Solution

The fourth proportional to 682,996.69, 942,536.82 and 377,073.65 is: 520,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,996.69 : 942,536.82 = 377,073.65 : x
  2. Step 2: Convert to fraction form
    682,996.69/942,536.82 = 377,073.65/x
  3. Step 3: Cross multiply
    682,996.69x = 942,536.82 × 377,073.65
  4. Step 4: Simplify right side
    682,996.69x = 355,405,798,976.79
  5. Step 5: Solve for x
    x = 355,405,798,976.79/682,996.69
  6. Step 6: Final answer
    x = 520,362.40

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Double scale
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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.