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Finding the Fourth Proportional to 496,601.46, 685,383.80 and 292,587.17

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Solution

The fourth proportional to 496,601.46, 685,383.80 and 292,587.17 is: 403,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,601.46 : 685,383.80 = 292,587.17 : x
  2. Step 2: Convert to fraction form
    496,601.46/685,383.80 = 292,587.17/x
  3. Step 3: Cross multiply
    496,601.46x = 685,383.80 × 292,587.17
  4. Step 4: Simplify right side
    496,601.46x = 200,534,506,405.85
  5. Step 5: Solve for x
    x = 200,534,506,405.85/496,601.46
  6. Step 6: Final answer
    x = 403,813.77

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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.