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Finding the Fourth Proportional to 572,933.64, 859,489.60 and 173,479.30

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Solution

The fourth proportional to 572,933.64, 859,489.60 and 173,479.30 is: 260,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,933.64 : 859,489.60 = 173,479.30 : x
  2. Step 2: Convert to fraction form
    572,933.64/859,489.60 = 173,479.30/x
  3. Step 3: Cross multiply
    572,933.64x = 859,489.60 × 173,479.30
  4. Step 4: Simplify right side
    572,933.64x = 149,103,654,165.28
  5. Step 5: Solve for x
    x = 149,103,654,165.28/572,933.64
  6. Step 6: Final answer
    x = 260,245.94

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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.