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Finding the Fourth Proportional to 338,726.98, 508,025.62 and 170,200.63

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Solution

The fourth proportional to 338,726.98, 508,025.62 and 170,200.63 is: 255,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,726.98 : 508,025.62 = 170,200.63 : x
  2. Step 2: Convert to fraction form
    338,726.98/508,025.62 = 170,200.63/x
  3. Step 3: Cross multiply
    338,726.98x = 508,025.62 × 170,200.63
  4. Step 4: Simplify right side
    338,726.98x = 86,466,280,580.14
  5. Step 5: Solve for x
    x = 86,466,280,580.14/338,726.98
  6. Step 6: Final answer
    x = 255,268.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.