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Finding the Fourth Proportional to 556,944.69, 768,563.08 and 302,290.41

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Solution

The fourth proportional to 556,944.69, 768,563.08 and 302,290.41 is: 417,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,944.69 : 768,563.08 = 302,290.41 : x
  2. Step 2: Convert to fraction form
    556,944.69/768,563.08 = 302,290.41/x
  3. Step 3: Cross multiply
    556,944.69x = 768,563.08 × 302,290.41
  4. Step 4: Simplify right side
    556,944.69x = 232,329,248,564.06
  5. Step 5: Solve for x
    x = 232,329,248,564.06/556,944.69
  6. Step 6: Final answer
    x = 417,149.59

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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.