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Finding the Fourth Proportional to 493,684.80, 740,016.90 and 268,569.60

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Solution

The fourth proportional to 493,684.80, 740,016.90 and 268,569.60 is: 402,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,684.80 : 740,016.90 = 268,569.60 : x
  2. Step 2: Convert to fraction form
    493,684.80/740,016.90 = 268,569.60/x
  3. Step 3: Cross multiply
    493,684.80x = 740,016.90 × 268,569.60
  4. Step 4: Simplify right side
    493,684.80x = 198,746,042,826.24
  5. Step 5: Solve for x
    x = 198,746,042,826.24/493,684.80
  6. Step 6: Final answer
    x = 402,576.79

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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.