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Finding the Fourth Proportional to 633,072.74, 873,499.43 and 374,820.85

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Solution

The fourth proportional to 633,072.74, 873,499.43 and 374,820.85 is: 517,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,072.74 : 873,499.43 = 374,820.85 : x
  2. Step 2: Convert to fraction form
    633,072.74/873,499.43 = 374,820.85/x
  3. Step 3: Cross multiply
    633,072.74x = 873,499.43 × 374,820.85
  4. Step 4: Simplify right side
    633,072.74x = 327,405,798,827.12
  5. Step 5: Solve for x
    x = 327,405,798,827.12/633,072.74
  6. Step 6: Final answer
    x = 517,169.32

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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.