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Finding the Fourth Proportional to 713,187.63, 982,441.13 and 610,879.77

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Solution

The fourth proportional to 713,187.63, 982,441.13 and 610,879.77 is: 841,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,187.63 : 982,441.13 = 610,879.77 : x
  2. Step 2: Convert to fraction form
    713,187.63/982,441.13 = 610,879.77/x
  3. Step 3: Cross multiply
    713,187.63x = 982,441.13 × 610,879.77
  4. Step 4: Simplify right side
    713,187.63x = 600,153,408,478.54
  5. Step 5: Solve for x
    x = 600,153,408,478.54/713,187.63
  6. Step 6: Final answer
    x = 841,508.44

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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.