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Finding the Fourth Proportional to 751,293.32, 1,036,737.78 and 411,737.48

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Solution

The fourth proportional to 751,293.32, 1,036,737.78 and 411,737.48 is: 568,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,293.32 : 1,036,737.78 = 411,737.48 : x
  2. Step 2: Convert to fraction form
    751,293.32/1,036,737.78 = 411,737.48/x
  3. Step 3: Cross multiply
    751,293.32x = 1,036,737.78 × 411,737.48
  4. Step 4: Simplify right side
    751,293.32x = 426,863,800,957.99
  5. Step 5: Solve for x
    x = 426,863,800,957.99/751,293.32
  6. Step 6: Final answer
    x = 568,171.96

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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.