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Finding the Fourth Proportional to 595,491.62, 821,815.18 and 340,836.98

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Solution

The fourth proportional to 595,491.62, 821,815.18 and 340,836.98 is: 470,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,491.62 : 821,815.18 = 340,836.98 : x
  2. Step 2: Convert to fraction form
    595,491.62/821,815.18 = 340,836.98/x
  3. Step 3: Cross multiply
    595,491.62x = 821,815.18 × 340,836.98
  4. Step 4: Simplify right side
    595,491.62x = 280,105,004,069.36
  5. Step 5: Solve for x
    x = 280,105,004,069.36/595,491.62
  6. Step 6: Final answer
    x = 470,376.06

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1.5x scale

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.