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Finding the Fourth Proportional to 329,905.71, 494,887.43 and 93,248.40

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Solution

The fourth proportional to 329,905.71, 494,887.43 and 93,248.40 is: 139,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,905.71 : 494,887.43 = 93,248.40 : x
  2. Step 2: Convert to fraction form
    329,905.71/494,887.43 = 93,248.40/x
  3. Step 3: Cross multiply
    329,905.71x = 494,887.43 × 93,248.40
  4. Step 4: Simplify right side
    329,905.71x = 46,147,460,561.37
  5. Step 5: Solve for x
    x = 46,147,460,561.37/329,905.71
  6. Step 6: Final answer
    x = 139,880.76

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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.