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Finding the Fourth Proportional to 956,864, 1,435,296 and 395,913.08

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Solution

The fourth proportional to 956,864, 1,435,296 and 395,913.08 is: 593,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,864 : 1,435,296 = 395,913.08 : x
  2. Step 2: Convert to fraction form
    956,864/1,435,296 = 395,913.08/x
  3. Step 3: Cross multiply
    956,864x = 1,435,296 × 395,913.08
  4. Step 4: Simplify right side
    956,864x = 568,252,460,071.68
  5. Step 5: Solve for x
    x = 568,252,460,071.68/956,864
  6. Step 6: Final answer
    x = 593,869.62

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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.