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Finding the Fourth Proportional to 364,029.80, 545,915.10 and 164,445.80

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Solution

The fourth proportional to 364,029.80, 545,915.10 and 164,445.80 is: 246,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,029.80 : 545,915.10 = 164,445.80 : x
  2. Step 2: Convert to fraction form
    364,029.80/545,915.10 = 164,445.80/x
  3. Step 3: Cross multiply
    364,029.80x = 545,915.10 × 164,445.80
  4. Step 4: Simplify right side
    364,029.80x = 89,773,445,351.58
  5. Step 5: Solve for x
    x = 89,773,445,351.58/364,029.80
  6. Step 6: Final answer
    x = 246,610.15

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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.