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Finding the Fourth Proportional to 508,548.32, 701,829.44 and 282,193.80

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Solution

The fourth proportional to 508,548.32, 701,829.44 and 282,193.80 is: 389,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,548.32 : 701,829.44 = 282,193.80 : x
  2. Step 2: Convert to fraction form
    508,548.32/701,829.44 = 282,193.80/x
  3. Step 3: Cross multiply
    508,548.32x = 701,829.44 × 282,193.80
  4. Step 4: Simplify right side
    508,548.32x = 198,051,916,625.47
  5. Step 5: Solve for x
    x = 198,051,916,625.47/508,548.32
  6. Step 6: Final answer
    x = 389,445.62

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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.