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Finding the Fourth Proportional to 607,967.92, 911,727.96 and 208,501.84

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Solution

The fourth proportional to 607,967.92, 911,727.96 and 208,501.84 is: 312,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,967.92 : 911,727.96 = 208,501.84 : x
  2. Step 2: Convert to fraction form
    607,967.92/911,727.96 = 208,501.84/x
  3. Step 3: Cross multiply
    607,967.92x = 911,727.96 × 208,501.84
  4. Step 4: Simplify right side
    607,967.92x = 190,096,957,239.45
  5. Step 5: Solve for x
    x = 190,096,957,239.45/607,967.92
  6. Step 6: Final answer
    x = 312,675.97

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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.