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Finding the Fourth Proportional to 617,269.96, 851,826.27 and 341,628.36

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Solution

The fourth proportional to 617,269.96, 851,826.27 and 341,628.36 is: 471,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,269.96 : 851,826.27 = 341,628.36 : x
  2. Step 2: Convert to fraction form
    617,269.96/851,826.27 = 341,628.36/x
  3. Step 3: Cross multiply
    617,269.96x = 851,826.27 × 341,628.36
  4. Step 4: Simplify right side
    617,269.96x = 291,008,011,625.02
  5. Step 5: Solve for x
    x = 291,008,011,625.02/617,269.96
  6. Step 6: Final answer
    x = 471,443.66

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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.