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Finding the Fourth Proportional to 548,907.60, 823,361.40 and 462,302.40

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Solution

The fourth proportional to 548,907.60, 823,361.40 and 462,302.40 is: 693,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,907.60 : 823,361.40 = 462,302.40 : x
  2. Step 2: Convert to fraction form
    548,907.60/823,361.40 = 462,302.40/x
  3. Step 3: Cross multiply
    548,907.60x = 823,361.40 × 462,302.40
  4. Step 4: Simplify right side
    548,907.60x = 380,641,951,287.36
  5. Step 5: Solve for x
    x = 380,641,951,287.36/548,907.60
  6. Step 6: Final answer
    x = 693,453.60

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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.