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Finding the Fourth Proportional to 652,152.40, 978,714.60 and 336,446.80

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Solution

The fourth proportional to 652,152.40, 978,714.60 and 336,446.80 is: 504,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,152.40 : 978,714.60 = 336,446.80 : x
  2. Step 2: Convert to fraction form
    652,152.40/978,714.60 = 336,446.80/x
  3. Step 3: Cross multiply
    652,152.40x = 978,714.60 × 336,446.80
  4. Step 4: Simplify right side
    652,152.40x = 329,285,395,283.28
  5. Step 5: Solve for x
    x = 329,285,395,283.28/652,152.40
  6. Step 6: Final answer
    x = 504,920.93

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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.