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Finding the Fourth Proportional to 555,988.48, 767,245.44 and 329,499.52

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Solution

The fourth proportional to 555,988.48, 767,245.44 and 329,499.52 is: 454,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,988.48 : 767,245.44 = 329,499.52 : x
  2. Step 2: Convert to fraction form
    555,988.48/767,245.44 = 329,499.52/x
  3. Step 3: Cross multiply
    555,988.48x = 767,245.44 × 329,499.52
  4. Step 4: Simplify right side
    555,988.48x = 252,807,004,202.19
  5. Step 5: Solve for x
    x = 252,807,004,202.19/555,988.48
  6. Step 6: Final answer
    x = 454,698.28

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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.