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Finding the Fourth Proportional to 556,893.29, 768,513.13 and 302,244.48

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Solution

The fourth proportional to 556,893.29, 768,513.13 and 302,244.48 is: 417,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,893.29 : 768,513.13 = 302,244.48 : x
  2. Step 2: Convert to fraction form
    556,893.29/768,513.13 = 302,244.48/x
  3. Step 3: Cross multiply
    556,893.29x = 768,513.13 × 302,244.48
  4. Step 4: Simplify right side
    556,893.29x = 232,278,850,594.41
  5. Step 5: Solve for x
    x = 232,278,850,594.41/556,893.29
  6. Step 6: Final answer
    x = 417,097.59

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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.