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Finding the Fourth Proportional to 996,668.70, 1,494,711.45 and 356,898.30

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Solution

The fourth proportional to 996,668.70, 1,494,711.45 and 356,898.30 is: 535,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,668.70 : 1,494,711.45 = 356,898.30 : x
  2. Step 2: Convert to fraction form
    996,668.70/1,494,711.45 = 356,898.30/x
  3. Step 3: Cross multiply
    996,668.70x = 1,494,711.45 × 356,898.30
  4. Step 4: Simplify right side
    996,668.70x = 533,459,975,495.54
  5. Step 5: Solve for x
    x = 533,459,975,495.54/996,668.70
  6. Step 6: Final answer
    x = 535,243.03

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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.