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Finding the Fourth Proportional to 594,086.20, 891,129.30 and 173,404.60

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Solution

The fourth proportional to 594,086.20, 891,129.30 and 173,404.60 is: 260,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,086.20 : 891,129.30 = 173,404.60 : x
  2. Step 2: Convert to fraction form
    594,086.20/891,129.30 = 173,404.60/x
  3. Step 3: Cross multiply
    594,086.20x = 891,129.30 × 173,404.60
  4. Step 4: Simplify right side
    594,086.20x = 154,525,919,814.78
  5. Step 5: Solve for x
    x = 154,525,919,814.78/594,086.20
  6. Step 6: Final answer
    x = 260,106.90

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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.