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Finding the Fourth Proportional to 556,863.52, 768,467.64 and 302,209.24

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Solution

The fourth proportional to 556,863.52, 768,467.64 and 302,209.24 is: 417,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,863.52 : 768,467.64 = 302,209.24 : x
  2. Step 2: Convert to fraction form
    556,863.52/768,467.64 = 302,209.24/x
  3. Step 3: Cross multiply
    556,863.52x = 768,467.64 × 302,209.24
  4. Step 4: Simplify right side
    556,863.52x = 232,238,021,448.99
  5. Step 5: Solve for x
    x = 232,238,021,448.99/556,863.52
  6. Step 6: Final answer
    x = 417,046.57

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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.