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Finding the Fourth Proportional to 508,166.46, 701,301.65 and 281,811.96

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Solution

The fourth proportional to 508,166.46, 701,301.65 and 281,811.96 is: 388,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,166.46 : 701,301.65 = 281,811.96 : x
  2. Step 2: Convert to fraction form
    508,166.46/701,301.65 = 281,811.96/x
  3. Step 3: Cross multiply
    508,166.46x = 701,301.65 × 281,811.96
  4. Step 4: Simplify right side
    508,166.46x = 197,635,191,128.67
  5. Step 5: Solve for x
    x = 197,635,191,128.67/508,166.46
  6. Step 6: Final answer
    x = 388,918.21

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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.