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Finding the Fourth Proportional to 436,730.22, 603,016.19 and 429,755.00

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Solution

The fourth proportional to 436,730.22, 603,016.19 and 429,755.00 is: 593,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,730.22 : 603,016.19 = 429,755.00 : x
  2. Step 2: Convert to fraction form
    436,730.22/603,016.19 = 429,755.00/x
  3. Step 3: Cross multiply
    436,730.22x = 603,016.19 × 429,755.00
  4. Step 4: Simplify right side
    436,730.22x = 259,149,217,569.59
  5. Step 5: Solve for x
    x = 259,149,217,569.59/436,730.22
  6. Step 6: Final answer
    x = 593,385.13

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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.