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Finding the Fourth Proportional to 374,637.85, 516,655.16 and 245,529.30

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Solution

The fourth proportional to 374,637.85, 516,655.16 and 245,529.30 is: 338,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,637.85 : 516,655.16 = 245,529.30 : x
  2. Step 2: Convert to fraction form
    374,637.85/516,655.16 = 245,529.30/x
  3. Step 3: Cross multiply
    374,637.85x = 516,655.16 × 245,529.30
  4. Step 4: Simplify right side
    374,637.85x = 126,853,980,390.01
  5. Step 5: Solve for x
    x = 126,853,980,390.01/374,637.85
  6. Step 6: Final answer
    x = 338,604.28

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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.