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Finding the Fourth Proportional to 374,493.68, 516,810.48 and 204,740.40

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Solution

The fourth proportional to 374,493.68, 516,810.48 and 204,740.40 is: 282,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,493.68 : 516,810.48 = 204,740.40 : x
  2. Step 2: Convert to fraction form
    374,493.68/516,810.48 = 204,740.40/x
  3. Step 3: Cross multiply
    374,493.68x = 516,810.48 × 204,740.40
  4. Step 4: Simplify right side
    374,493.68x = 105,811,984,399.39
  5. Step 5: Solve for x
    x = 105,811,984,399.39/374,493.68
  6. Step 6: Final answer
    x = 282,546.78

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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.