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Finding the Fourth Proportional to 531,662.98, 733,513.53 and 302,197.06

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Solution

The fourth proportional to 531,662.98, 733,513.53 and 302,197.06 is: 416,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,662.98 : 733,513.53 = 302,197.06 : x
  2. Step 2: Convert to fraction form
    531,662.98/733,513.53 = 302,197.06/x
  3. Step 3: Cross multiply
    531,662.98x = 733,513.53 × 302,197.06
  4. Step 4: Simplify right side
    531,662.98x = 221,665,632,236.22
  5. Step 5: Solve for x
    x = 221,665,632,236.22/531,662.98
  6. Step 6: Final answer
    x = 416,928.85

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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.