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Finding the Fourth Proportional to 702,585.21, 969,586.44 and 426,849.21

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Solution

The fourth proportional to 702,585.21, 969,586.44 and 426,849.21 is: 589,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,585.21 : 969,586.44 = 426,849.21 : x
  2. Step 2: Convert to fraction form
    702,585.21/969,586.44 = 426,849.21/x
  3. Step 3: Cross multiply
    702,585.21x = 969,586.44 × 426,849.21
  4. Step 4: Simplify right side
    702,585.21x = 413,867,205,940.71
  5. Step 5: Solve for x
    x = 413,867,205,940.71/702,585.21
  6. Step 6: Final answer
    x = 589,063.36

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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.