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Finding the Fourth Proportional to 603,667.86, 832,714.74 and 376,919.70

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Solution

The fourth proportional to 603,667.86, 832,714.74 and 376,919.70 is: 519,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,667.86 : 832,714.74 = 376,919.70 : x
  2. Step 2: Convert to fraction form
    603,667.86/832,714.74 = 376,919.70/x
  3. Step 3: Cross multiply
    603,667.86x = 832,714.74 × 376,919.70
  4. Step 4: Simplify right side
    603,667.86x = 313,866,589,986.38
  5. Step 5: Solve for x
    x = 313,866,589,986.38/603,667.86
  6. Step 6: Final answer
    x = 519,932.58

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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.