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Finding the Fourth Proportional to 429,705.99, 593,204.64 and 268,612.94

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Solution

The fourth proportional to 429,705.99, 593,204.64 and 268,612.94 is: 370,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,705.99 : 593,204.64 = 268,612.94 : x
  2. Step 2: Convert to fraction form
    429,705.99/593,204.64 = 268,612.94/x
  3. Step 3: Cross multiply
    429,705.99x = 593,204.64 × 268,612.94
  4. Step 4: Simplify right side
    429,705.99x = 159,342,439,406.02
  5. Step 5: Solve for x
    x = 159,342,439,406.02/429,705.99
  6. Step 6: Final answer
    x = 370,817.36

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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.