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Finding the Fourth Proportional to 455,034.85, 628,073.01 and 264,109.75

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Solution

The fourth proportional to 455,034.85, 628,073.01 and 264,109.75 is: 364,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,034.85 : 628,073.01 = 264,109.75 : x
  2. Step 2: Convert to fraction form
    455,034.85/628,073.01 = 264,109.75/x
  3. Step 3: Cross multiply
    455,034.85x = 628,073.01 × 264,109.75
  4. Step 4: Simplify right side
    455,034.85x = 165,880,205,652.85
  5. Step 5: Solve for x
    x = 165,880,205,652.85/455,034.85
  6. Step 6: Final answer
    x = 364,543.96

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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.