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Finding the Fourth Proportional to 363,876.40, 545,814.60 and 204,444.10

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Solution

The fourth proportional to 363,876.40, 545,814.60 and 204,444.10 is: 306,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,876.40 : 545,814.60 = 204,444.10 : x
  2. Step 2: Convert to fraction form
    363,876.40/545,814.60 = 204,444.10/x
  3. Step 3: Cross multiply
    363,876.40x = 545,814.60 × 204,444.10
  4. Step 4: Simplify right side
    363,876.40x = 111,588,574,663.86
  5. Step 5: Solve for x
    x = 111,588,574,663.86/363,876.40
  6. Step 6: Final answer
    x = 306,666.15

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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.