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Finding the Fourth Proportional to 590,651.89, 886,064.78 and 191,159.89

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Solution

The fourth proportional to 590,651.89, 886,064.78 and 191,159.89 is: 286,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,651.89 : 886,064.78 = 191,159.89 : x
  2. Step 2: Convert to fraction form
    590,651.89/886,064.78 = 191,159.89/x
  3. Step 3: Cross multiply
    590,651.89x = 886,064.78 × 191,159.89
  4. Step 4: Simplify right side
    590,651.89x = 169,380,045,877.67
  5. Step 5: Solve for x
    x = 169,380,045,877.67/590,651.89
  6. Step 6: Final answer
    x = 286,767.97

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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.