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Finding the Fourth Proportional to 374,633.76, 517,405.68 and 254,339.04

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Solution

The fourth proportional to 374,633.76, 517,405.68 and 254,339.04 is: 351,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,633.76 : 517,405.68 = 254,339.04 : x
  2. Step 2: Convert to fraction form
    374,633.76/517,405.68 = 254,339.04/x
  3. Step 3: Cross multiply
    374,633.76x = 517,405.68 × 254,339.04
  4. Step 4: Simplify right side
    374,633.76x = 131,596,463,941.75
  5. Step 5: Solve for x
    x = 131,596,463,941.75/374,633.76
  6. Step 6: Final answer
    x = 351,266.97

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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.