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Finding the Fourth Proportional to 556,944.52, 768,583.92 and 302,295.64

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Solution

The fourth proportional to 556,944.52, 768,583.92 and 302,295.64 is: 417,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,944.52 : 768,583.92 = 302,295.64 : x
  2. Step 2: Convert to fraction form
    556,944.52/768,583.92 = 302,295.64/x
  3. Step 3: Cross multiply
    556,944.52x = 768,583.92 × 302,295.64
  4. Step 4: Simplify right side
    556,944.52x = 232,339,567,990.11
  5. Step 5: Solve for x
    x = 232,339,567,990.11/556,944.52
  6. Step 6: Final answer
    x = 417,168.25

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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.