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Finding the Fourth Proportional to 333,728.10, 501,758.55 and 326,729.70

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Solution

The fourth proportional to 333,728.10, 501,758.55 and 326,729.70 is: 491,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,728.10 : 501,758.55 = 326,729.70 : x
  2. Step 2: Convert to fraction form
    333,728.10/501,758.55 = 326,729.70/x
  3. Step 3: Cross multiply
    333,728.10x = 501,758.55 × 326,729.70
  4. Step 4: Simplify right side
    333,728.10x = 163,939,420,513.94
  5. Step 5: Solve for x
    x = 163,939,420,513.94/333,728.10
  6. Step 6: Final answer
    x = 491,236.49

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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.