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Finding the Fourth Proportional to 406,956.60, 610,653.60 and 170,323.20

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Solution

The fourth proportional to 406,956.60, 610,653.60 and 170,323.20 is: 255,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,956.60 : 610,653.60 = 170,323.20 : x
  2. Step 2: Convert to fraction form
    406,956.60/610,653.60 = 170,323.20/x
  3. Step 3: Cross multiply
    406,956.60x = 610,653.60 × 170,323.20
  4. Step 4: Simplify right side
    406,956.60x = 104,008,475,243.52
  5. Step 5: Solve for x
    x = 104,008,475,243.52/406,956.60
  6. Step 6: Final answer
    x = 255,576.33

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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.