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Finding the Fourth Proportional to 568,038.42, 851,409.73 and 354,904.34

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Solution

The fourth proportional to 568,038.42, 851,409.73 and 354,904.34 is: 531,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,038.42 : 851,409.73 = 354,904.34 : x
  2. Step 2: Convert to fraction form
    568,038.42/851,409.73 = 354,904.34/x
  3. Step 3: Cross multiply
    568,038.42x = 851,409.73 × 354,904.34
  4. Step 4: Simplify right side
    568,038.42x = 302,169,008,295.23
  5. Step 5: Solve for x
    x = 302,169,008,295.23/568,038.42
  6. Step 6: Final answer
    x = 531,951.71

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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.