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Finding the Fourth Proportional to 624,714.60, 936,974.70 and 175,391.40

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Solution

The fourth proportional to 624,714.60, 936,974.70 and 175,391.40 is: 263,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,714.60 : 936,974.70 = 175,391.40 : x
  2. Step 2: Convert to fraction form
    624,714.60/936,974.70 = 175,391.40/x
  3. Step 3: Cross multiply
    624,714.60x = 936,974.70 × 175,391.40
  4. Step 4: Simplify right side
    624,714.60x = 164,337,304,397.58
  5. Step 5: Solve for x
    x = 164,337,304,397.58/624,714.60
  6. Step 6: Final answer
    x = 263,059.81

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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.