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Finding the Fourth Proportional to 370,005.98, 555,048.25 and 117,322.43

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Solution

The fourth proportional to 370,005.98, 555,048.25 and 117,322.43 is: 175,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,005.98 : 555,048.25 = 117,322.43 : x
  2. Step 2: Convert to fraction form
    370,005.98/555,048.25 = 117,322.43/x
  3. Step 3: Cross multiply
    370,005.98x = 555,048.25 × 117,322.43
  4. Step 4: Simplify right side
    370,005.98x = 65,119,606,388.70
  5. Step 5: Solve for x
    x = 65,119,606,388.70/370,005.98
  6. Step 6: Final answer
    x = 175,996.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.