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Finding the Fourth Proportional to 366,461.43, 549,684.32 and 100,221.94

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Solution

The fourth proportional to 366,461.43, 549,684.32 and 100,221.94 is: 150,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,461.43 : 549,684.32 = 100,221.94 : x
  2. Step 2: Convert to fraction form
    366,461.43/549,684.32 = 100,221.94/x
  3. Step 3: Cross multiply
    366,461.43x = 549,684.32 × 100,221.94
  4. Step 4: Simplify right side
    366,461.43x = 55,090,429,123.98
  5. Step 5: Solve for x
    x = 55,090,429,123.98/366,461.43
  6. Step 6: Final answer
    x = 150,330.77

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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.