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Finding the Fourth Proportional to 329,308.41, 493,995.48 and 89,426.22

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Solution

The fourth proportional to 329,308.41, 493,995.48 and 89,426.22 is: 134,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,308.41 : 493,995.48 = 89,426.22 : x
  2. Step 2: Convert to fraction form
    329,308.41/493,995.48 = 89,426.22/x
  3. Step 3: Cross multiply
    329,308.41x = 493,995.48 × 89,426.22
  4. Step 4: Simplify right side
    329,308.41x = 44,176,148,473.49
  5. Step 5: Solve for x
    x = 44,176,148,473.49/329,308.41
  6. Step 6: Final answer
    x = 134,148.25

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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.