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Finding the Fourth Proportional to 407,668.55, 562,491.95 and 246,520.26

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Solution

The fourth proportional to 407,668.55, 562,491.95 and 246,520.26 is: 340,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,668.55 : 562,491.95 = 246,520.26 : x
  2. Step 2: Convert to fraction form
    407,668.55/562,491.95 = 246,520.26/x
  3. Step 3: Cross multiply
    407,668.55x = 562,491.95 × 246,520.26
  4. Step 4: Simplify right side
    407,668.55x = 138,665,660,529.31
  5. Step 5: Solve for x
    x = 138,665,660,529.31/407,668.55
  6. Step 6: Final answer
    x = 340,143.14

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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.