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Finding the Fourth Proportional to 370,408.68, 555,613.02 and 89,924.04

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Solution

The fourth proportional to 370,408.68, 555,613.02 and 89,924.04 is: 134,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,408.68 : 555,613.02 = 89,924.04 : x
  2. Step 2: Convert to fraction form
    370,408.68/555,613.02 = 89,924.04/x
  3. Step 3: Cross multiply
    370,408.68x = 555,613.02 × 89,924.04
  4. Step 4: Simplify right side
    370,408.68x = 49,962,967,435.00
  5. Step 5: Solve for x
    x = 49,962,967,435.00/370,408.68
  6. Step 6: Final answer
    x = 134,886.06

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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.