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Finding the Fourth Proportional to 556,936.52, 768,573.88 and 302,287.71

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Solution

The fourth proportional to 556,936.52, 768,573.88 and 302,287.71 is: 417,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,936.52 : 768,573.88 = 302,287.71 : x
  2. Step 2: Convert to fraction form
    556,936.52/768,573.88 = 302,287.71/x
  3. Step 3: Cross multiply
    556,936.52x = 768,573.88 × 302,287.71
  4. Step 4: Simplify right side
    556,936.52x = 232,330,435,954.22
  5. Step 5: Solve for x
    x = 232,330,435,954.22/556,936.52
  6. Step 6: Final answer
    x = 417,157.84

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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.