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Finding the Fourth Proportional to 334,676.79, 461,682.86 and 213,690.87

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Solution

The fourth proportional to 334,676.79, 461,682.86 and 213,690.87 is: 294,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,676.79 : 461,682.86 = 213,690.87 : x
  2. Step 2: Convert to fraction form
    334,676.79/461,682.86 = 213,690.87/x
  3. Step 3: Cross multiply
    334,676.79x = 461,682.86 × 213,690.87
  4. Step 4: Simplify right side
    334,676.79x = 98,657,410,949.03
  5. Step 5: Solve for x
    x = 98,657,410,949.03/334,676.79
  6. Step 6: Final answer
    x = 294,784.14

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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.