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Finding the Fourth Proportional to 429,878.01, 592,606.43 and 300,414.54

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Solution

The fourth proportional to 429,878.01, 592,606.43 and 300,414.54 is: 414,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,878.01 : 592,606.43 = 300,414.54 : x
  2. Step 2: Convert to fraction form
    429,878.01/592,606.43 = 300,414.54/x
  3. Step 3: Cross multiply
    429,878.01x = 592,606.43 × 300,414.54
  4. Step 4: Simplify right side
    429,878.01x = 178,027,583,604.39
  5. Step 5: Solve for x
    x = 178,027,583,604.39/429,878.01
  6. Step 6: Final answer
    x = 414,135.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.