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Finding the Fourth Proportional to 590,408.90, 885,722.70 and 191,062.70

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Solution

The fourth proportional to 590,408.90, 885,722.70 and 191,062.70 is: 286,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,408.90 : 885,722.70 = 191,062.70 : x
  2. Step 2: Convert to fraction form
    590,408.90/885,722.70 = 191,062.70/x
  3. Step 3: Cross multiply
    590,408.90x = 885,722.70 × 191,062.70
  4. Step 4: Simplify right side
    590,408.90x = 169,228,570,513.29
  5. Step 5: Solve for x
    x = 169,228,570,513.29/590,408.90
  6. Step 6: Final answer
    x = 286,629.44

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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.