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Finding the Fourth Proportional to 923,563.60, 1,383,012.60 and 606,302.80

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Solution

The fourth proportional to 923,563.60, 1,383,012.60 and 606,302.80 is: 907,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,563.60 : 1,383,012.60 = 606,302.80 : x
  2. Step 2: Convert to fraction form
    923,563.60/1,383,012.60 = 606,302.80/x
  3. Step 3: Cross multiply
    923,563.60x = 1,383,012.60 × 606,302.80
  4. Step 4: Simplify right side
    923,563.60x = 838,524,411,815.28
  5. Step 5: Solve for x
    x = 838,524,411,815.28/923,563.60
  6. Step 6: Final answer
    x = 907,922.76

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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.