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Finding the Fourth Proportional to 419,633.60, 579,096.96 and 249,874.88

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Solution

The fourth proportional to 419,633.60, 579,096.96 and 249,874.88 is: 344,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,633.60 : 579,096.96 = 249,874.88 : x
  2. Step 2: Convert to fraction form
    419,633.60/579,096.96 = 249,874.88/x
  3. Step 3: Cross multiply
    419,633.60x = 579,096.96 × 249,874.88
  4. Step 4: Simplify right side
    419,633.60x = 144,701,783,388.37
  5. Step 5: Solve for x
    x = 144,701,783,388.37/419,633.60
  6. Step 6: Final answer
    x = 344,828.88

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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.