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Finding the Fourth Proportional to 590,740.86, 886,268.96 and 211,699.91

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Solution

The fourth proportional to 590,740.86, 886,268.96 and 211,699.91 is: 317,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,740.86 : 886,268.96 = 211,699.91 : x
  2. Step 2: Convert to fraction form
    590,740.86/886,268.96 = 211,699.91/x
  3. Step 3: Cross multiply
    590,740.86x = 886,268.96 × 211,699.91
  4. Step 4: Simplify right side
    590,740.86x = 187,623,061,018.84
  5. Step 5: Solve for x
    x = 187,623,061,018.84/590,740.86
  6. Step 6: Final answer
    x = 317,606.37

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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.