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Finding the Fourth Proportional to 370,568.52, 555,820.89 and 117,855.20

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Solution

The fourth proportional to 370,568.52, 555,820.89 and 117,855.20 is: 176,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,568.52 : 555,820.89 = 117,855.20 : x
  2. Step 2: Convert to fraction form
    370,568.52/555,820.89 = 117,855.20/x
  3. Step 3: Cross multiply
    370,568.52x = 555,820.89 × 117,855.20
  4. Step 4: Simplify right side
    370,568.52x = 65,506,383,102.72
  5. Step 5: Solve for x
    x = 65,506,383,102.72/370,568.52
  6. Step 6: Final answer
    x = 176,772.66

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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.