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Finding the Fourth Proportional to 292,030.30, 437,170.65 and 173,640.70

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Solution

The fourth proportional to 292,030.30, 437,170.65 and 173,640.70 is: 259,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,030.30 : 437,170.65 = 173,640.70 : x
  2. Step 2: Convert to fraction form
    292,030.30/437,170.65 = 173,640.70/x
  3. Step 3: Cross multiply
    292,030.30x = 437,170.65 × 173,640.70
  4. Step 4: Simplify right side
    292,030.30x = 75,910,617,685.46
  5. Step 5: Solve for x
    x = 75,910,617,685.46/292,030.30
  6. Step 6: Final answer
    x = 259,940.90

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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.