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Finding the Fourth Proportional to 410,637.54, 615,849.39 and 173,858.34

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Solution

The fourth proportional to 410,637.54, 615,849.39 and 173,858.34 is: 260,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,637.54 : 615,849.39 = 173,858.34 : x
  2. Step 2: Convert to fraction form
    410,637.54/615,849.39 = 173,858.34/x
  3. Step 3: Cross multiply
    410,637.54x = 615,849.39 × 173,858.34
  4. Step 4: Simplify right side
    410,637.54x = 107,070,552,635.41
  5. Step 5: Solve for x
    x = 107,070,552,635.41/410,637.54
  6. Step 6: Final answer
    x = 260,742.24

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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.