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Finding the Fourth Proportional to 273,613.52, 411,077.88 and 258,507.92

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Solution

The fourth proportional to 273,613.52, 411,077.88 and 258,507.92 is: 388,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,613.52 : 411,077.88 = 258,507.92 : x
  2. Step 2: Convert to fraction form
    273,613.52/411,077.88 = 258,507.92/x
  3. Step 3: Cross multiply
    273,613.52x = 411,077.88 × 258,507.92
  4. Step 4: Simplify right side
    273,613.52x = 106,266,887,716.81
  5. Step 5: Solve for x
    x = 106,266,887,716.81/273,613.52
  6. Step 6: Final answer
    x = 388,383.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.