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Finding the Fourth Proportional to 370,740.39, 555,911.19 and 117,952.35

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Solution

The fourth proportional to 370,740.39, 555,911.19 and 117,952.35 is: 176,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,740.39 : 555,911.19 = 117,952.35 : x
  2. Step 2: Convert to fraction form
    370,740.39/555,911.19 = 117,952.35/x
  3. Step 3: Cross multiply
    370,740.39x = 555,911.19 × 117,952.35
  4. Step 4: Simplify right side
    370,740.39x = 65,571,031,251.80
  5. Step 5: Solve for x
    x = 65,571,031,251.80/370,740.39
  6. Step 6: Final answer
    x = 176,865.09

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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.