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Finding the Fourth Proportional to 504,706.91, 696,323.27 and 286,893.56

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Solution

The fourth proportional to 504,706.91, 696,323.27 and 286,893.56 is: 395,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,706.91 : 696,323.27 = 286,893.56 : x
  2. Step 2: Convert to fraction form
    504,706.91/696,323.27 = 286,893.56/x
  3. Step 3: Cross multiply
    504,706.91x = 696,323.27 × 286,893.56
  4. Step 4: Simplify right side
    504,706.91x = 199,770,664,299.18
  5. Step 5: Solve for x
    x = 199,770,664,299.18/504,706.91
  6. Step 6: Final answer
    x = 395,815.19

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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.