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Finding the Fourth Proportional to 333,185.28, 459,847.68 and 212,378.88

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Solution

The fourth proportional to 333,185.28, 459,847.68 and 212,378.88 is: 293,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,185.28 : 459,847.68 = 212,378.88 : x
  2. Step 2: Convert to fraction form
    333,185.28/459,847.68 = 212,378.88/x
  3. Step 3: Cross multiply
    333,185.28x = 459,847.68 × 212,378.88
  4. Step 4: Simplify right side
    333,185.28x = 97,661,935,249.00
  5. Step 5: Solve for x
    x = 97,661,935,249.00/333,185.28
  6. Step 6: Final answer
    x = 293,116.00

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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.