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Finding the Fourth Proportional to 342,892.50, 473,082.30 and 222,126.36

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Solution

The fourth proportional to 342,892.50, 473,082.30 and 222,126.36 is: 306,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,892.50 : 473,082.30 = 222,126.36 : x
  2. Step 2: Convert to fraction form
    342,892.50/473,082.30 = 222,126.36/x
  3. Step 3: Cross multiply
    342,892.50x = 473,082.30 × 222,126.36
  4. Step 4: Simplify right side
    342,892.50x = 105,084,049,279.43
  5. Step 5: Solve for x
    x = 105,084,049,279.43/342,892.50
  6. Step 6: Final answer
    x = 306,463.54

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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.