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Finding the Fourth Proportional to 547,844.60, 821,702.10 and 148,460.60

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Solution

The fourth proportional to 547,844.60, 821,702.10 and 148,460.60 is: 222,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,844.60 : 821,702.10 = 148,460.60 : x
  2. Step 2: Convert to fraction form
    547,844.60/821,702.10 = 148,460.60/x
  3. Step 3: Cross multiply
    547,844.60x = 821,702.10 × 148,460.60
  4. Step 4: Simplify right side
    547,844.60x = 121,990,386,787.26
  5. Step 5: Solve for x
    x = 121,990,386,787.26/547,844.60
  6. Step 6: Final answer
    x = 222,673.34

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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.