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Finding the Fourth Proportional to 370,826.34, 555,909.48 and 134,116.44

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Solution

The fourth proportional to 370,826.34, 555,909.48 and 134,116.44 is: 201,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,826.34 : 555,909.48 = 134,116.44 : x
  2. Step 2: Convert to fraction form
    370,826.34/555,909.48 = 134,116.44/x
  3. Step 3: Cross multiply
    370,826.34x = 555,909.48 × 134,116.44
  4. Step 4: Simplify right side
    370,826.34x = 74,556,600,419.85
  5. Step 5: Solve for x
    x = 74,556,600,419.85/370,826.34
  6. Step 6: Final answer
    x = 201,055.30

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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.