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Finding the Fourth Proportional to 336,522.97, 505,116.98 and 147,114.07

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Solution

The fourth proportional to 336,522.97, 505,116.98 and 147,114.07 is: 220,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,522.97 : 505,116.98 = 147,114.07 : x
  2. Step 2: Convert to fraction form
    336,522.97/505,116.98 = 147,114.07/x
  3. Step 3: Cross multiply
    336,522.97x = 505,116.98 × 147,114.07
  4. Step 4: Simplify right side
    336,522.97x = 74,309,811,492.75
  5. Step 5: Solve for x
    x = 74,309,811,492.75/336,522.97
  6. Step 6: Final answer
    x = 220,816.46

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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.