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Finding the Fourth Proportional to 366,392.89, 549,727.74 and 141,766.81

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Solution

The fourth proportional to 366,392.89, 549,727.74 and 141,766.81 is: 212,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,392.89 : 549,727.74 = 141,766.81 : x
  2. Step 2: Convert to fraction form
    366,392.89/549,727.74 = 141,766.81/x
  3. Step 3: Cross multiply
    366,392.89x = 549,727.74 × 141,766.81
  4. Step 4: Simplify right side
    366,392.89x = 77,933,146,295.27
  5. Step 5: Solve for x
    x = 77,933,146,295.27/366,392.89
  6. Step 6: Final answer
    x = 212,703.76

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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.