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Finding the Fourth Proportional to 591,754.72, 816,620.40 and 323,482.72

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Solution

The fourth proportional to 591,754.72, 816,620.40 and 323,482.72 is: 446,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,754.72 : 816,620.40 = 323,482.72 : x
  2. Step 2: Convert to fraction form
    591,754.72/816,620.40 = 323,482.72/x
  3. Step 3: Cross multiply
    591,754.72x = 816,620.40 × 323,482.72
  4. Step 4: Simplify right side
    591,754.72x = 264,162,588,199.49
  5. Step 5: Solve for x
    x = 264,162,588,199.49/591,754.72
  6. Step 6: Final answer
    x = 446,405.54

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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.