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Finding the Fourth Proportional to 496,589.28, 685,237.38 and 292,626.96

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Solution

The fourth proportional to 496,589.28, 685,237.38 and 292,626.96 is: 403,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,589.28 : 685,237.38 = 292,626.96 : x
  2. Step 2: Convert to fraction form
    496,589.28/685,237.38 = 292,626.96/x
  3. Step 3: Cross multiply
    496,589.28x = 685,237.38 × 292,626.96
  4. Step 4: Simplify right side
    496,589.28x = 200,518,931,387.77
  5. Step 5: Solve for x
    x = 200,518,931,387.77/496,589.28
  6. Step 6: Final answer
    x = 403,792.31

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1.5x scale

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.