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Finding the Fourth Proportional to 496,138.92, 684,588.72 and 292,230.48

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Solution

The fourth proportional to 496,138.92, 684,588.72 and 292,230.48 is: 403,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,138.92 : 684,588.72 = 292,230.48 : x
  2. Step 2: Convert to fraction form
    496,138.92/684,588.72 = 292,230.48/x
  3. Step 3: Cross multiply
    496,138.92x = 684,588.72 × 292,230.48
  4. Step 4: Simplify right side
    496,138.92x = 200,057,690,248.19
  5. Step 5: Solve for x
    x = 200,057,690,248.19/496,138.92
  6. Step 6: Final answer
    x = 403,229.18

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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.