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Finding the Fourth Proportional to 547,351.60, 821,027.40 and 460,746.40

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Solution

The fourth proportional to 547,351.60, 821,027.40 and 460,746.40 is: 691,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,351.60 : 821,027.40 = 460,746.40 : x
  2. Step 2: Convert to fraction form
    547,351.60/821,027.40 = 460,746.40/x
  3. Step 3: Cross multiply
    547,351.60x = 821,027.40 × 460,746.40
  4. Step 4: Simplify right side
    547,351.60x = 378,285,418,851.36
  5. Step 5: Solve for x
    x = 378,285,418,851.36/547,351.60
  6. Step 6: Final answer
    x = 691,119.60

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Double scale
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Similar ratio
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1.5x scale

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.