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Finding the Fourth Proportional to 368,570.52, 508,621.68 and 205,225.92

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Solution

The fourth proportional to 368,570.52, 508,621.68 and 205,225.92 is: 283,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,570.52 : 508,621.68 = 205,225.92 : x
  2. Step 2: Convert to fraction form
    368,570.52/508,621.68 = 205,225.92/x
  3. Step 3: Cross multiply
    368,570.52x = 508,621.68 × 205,225.92
  4. Step 4: Simplify right side
    368,570.52x = 104,382,352,209.95
  5. Step 5: Solve for x
    x = 104,382,352,209.95/368,570.52
  6. Step 6: Final answer
    x = 283,208.63

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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.