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Finding the Fourth Proportional to 407,804.01, 611,958.63 and 237,106.06

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Solution

The fourth proportional to 407,804.01, 611,958.63 and 237,106.06 is: 355,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,804.01 : 611,958.63 = 237,106.06 : x
  2. Step 2: Convert to fraction form
    407,804.01/611,958.63 = 237,106.06/x
  3. Step 3: Cross multiply
    407,804.01x = 611,958.63 × 237,106.06
  4. Step 4: Simplify right side
    407,804.01x = 145,099,099,642.30
  5. Step 5: Solve for x
    x = 145,099,099,642.30/407,804.01
  6. Step 6: Final answer
    x = 355,805.97

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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.