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Finding the Fourth Proportional to 407,668.55, 562,492.01 and 246,520.22

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Solution

The fourth proportional to 407,668.55, 562,492.01 and 246,520.22 is: 340,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,668.55 : 562,492.01 = 246,520.22 : x
  2. Step 2: Convert to fraction form
    407,668.55/562,492.01 = 246,520.22/x
  3. Step 3: Cross multiply
    407,668.55x = 562,492.01 × 246,520.22
  4. Step 4: Simplify right side
    407,668.55x = 138,665,651,857.28
  5. Step 5: Solve for x
    x = 138,665,651,857.28/407,668.55
  6. Step 6: Final answer
    x = 340,143.12

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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.