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Finding the Fourth Proportional to 496,153.40, 684,608.64 and 292,244.92

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Solution

The fourth proportional to 496,153.40, 684,608.64 and 292,244.92 is: 403,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,153.40 : 684,608.64 = 292,244.92 : x
  2. Step 2: Convert to fraction form
    496,153.40/684,608.64 = 292,244.92/x
  3. Step 3: Cross multiply
    496,153.40x = 684,608.64 × 292,244.92
  4. Step 4: Simplify right side
    496,153.40x = 200,073,397,228.11
  5. Step 5: Solve for x
    x = 200,073,397,228.11/496,153.40
  6. Step 6: Final answer
    x = 403,249.07

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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.