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Finding the Fourth Proportional to 371,535.78, 512,931.96 and 244,580.46

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Solution

The fourth proportional to 371,535.78, 512,931.96 and 244,580.46 is: 337,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,535.78 : 512,931.96 = 244,580.46 : x
  2. Step 2: Convert to fraction form
    371,535.78/512,931.96 = 244,580.46/x
  3. Step 3: Cross multiply
    371,535.78x = 512,931.96 × 244,580.46
  4. Step 4: Simplify right side
    371,535.78x = 125,453,134,725.50
  5. Step 5: Solve for x
    x = 125,453,134,725.50/371,535.78
  6. Step 6: Final answer
    x = 337,660.98

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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.