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Finding the Fourth Proportional to 806,855.16, 1,210,289.22 and 274,497.24

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Solution

The fourth proportional to 806,855.16, 1,210,289.22 and 274,497.24 is: 411,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,855.16 : 1,210,289.22 = 274,497.24 : x
  2. Step 2: Convert to fraction form
    806,855.16/1,210,289.22 = 274,497.24/x
  3. Step 3: Cross multiply
    806,855.16x = 1,210,289.22 × 274,497.24
  4. Step 4: Simplify right side
    806,855.16x = 332,221,050,491.75
  5. Step 5: Solve for x
    x = 332,221,050,491.75/806,855.16
  6. Step 6: Final answer
    x = 411,748.06

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1.5x scale

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.