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Finding the Fourth Proportional to 496,145.88, 684,598.26 and 292,237.44

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Solution

The fourth proportional to 496,145.88, 684,598.26 and 292,237.44 is: 403,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,145.88 : 684,598.26 = 292,237.44 : x
  2. Step 2: Convert to fraction form
    496,145.88/684,598.26 = 292,237.44/x
  3. Step 3: Cross multiply
    496,145.88x = 684,598.26 × 292,237.44
  4. Step 4: Simplify right side
    496,145.88x = 200,065,242,930.85
  5. Step 5: Solve for x
    x = 200,065,242,930.85/496,145.88
  6. Step 6: Final answer
    x = 403,238.75

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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.