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Finding the Fourth Proportional to 753,999, 1,130,758.52 and 248,465.64

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Solution

The fourth proportional to 753,999, 1,130,758.52 and 248,465.64 is: 372,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,999 : 1,130,758.52 = 248,465.64 : x
  2. Step 2: Convert to fraction form
    753,999/1,130,758.52 = 248,465.64/x
  3. Step 3: Cross multiply
    753,999x = 1,130,758.52 × 248,465.64
  4. Step 4: Simplify right side
    753,999x = 280,954,639,357.25
  5. Step 5: Solve for x
    x = 280,954,639,357.25/753,999
  6. Step 6: Final answer
    x = 372,619.38

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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.