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Finding the Fourth Proportional to 370,958.48, 556,429.08 and 202,642.64

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Solution

The fourth proportional to 370,958.48, 556,429.08 and 202,642.64 is: 303,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,958.48 : 556,429.08 = 202,642.64 : x
  2. Step 2: Convert to fraction form
    370,958.48/556,429.08 = 202,642.64/x
  3. Step 3: Cross multiply
    370,958.48x = 556,429.08 × 202,642.64
  4. Step 4: Simplify right side
    370,958.48x = 112,756,257,743.97
  5. Step 5: Solve for x
    x = 112,756,257,743.97/370,958.48
  6. Step 6: Final answer
    x = 303,959.24

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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.