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Finding the Fourth Proportional to 543,808.49, 750,477.03 and 372,086.63

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Solution

The fourth proportional to 543,808.49, 750,477.03 and 372,086.63 is: 513,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,808.49 : 750,477.03 = 372,086.63 : x
  2. Step 2: Convert to fraction form
    543,808.49/750,477.03 = 372,086.63/x
  3. Step 3: Cross multiply
    543,808.49x = 750,477.03 × 372,086.63
  4. Step 4: Simplify right side
    543,808.49x = 279,242,468,744.68
  5. Step 5: Solve for x
    x = 279,242,468,744.68/543,808.49
  6. Step 6: Final answer
    x = 513,494.14

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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.