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Finding the Fourth Proportional to 354,940.40, 532,093.26 and 130,248.70

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Solution

The fourth proportional to 354,940.40, 532,093.26 and 130,248.70 is: 195,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,940.40 : 532,093.26 = 130,248.70 : x
  2. Step 2: Convert to fraction form
    354,940.40/532,093.26 = 130,248.70/x
  3. Step 3: Cross multiply
    354,940.40x = 532,093.26 × 130,248.70
  4. Step 4: Simplify right side
    354,940.40x = 69,304,455,393.76
  5. Step 5: Solve for x
    x = 69,304,455,393.76/354,940.40
  6. Step 6: Final answer
    x = 195,256.60

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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.