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Finding the Fourth Proportional to 462,801.40, 694,202.10 and 436,557.40

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Solution

The fourth proportional to 462,801.40, 694,202.10 and 436,557.40 is: 654,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,801.40 : 694,202.10 = 436,557.40 : x
  2. Step 2: Convert to fraction form
    462,801.40/694,202.10 = 436,557.40/x
  3. Step 3: Cross multiply
    462,801.40x = 694,202.10 × 436,557.40
  4. Step 4: Simplify right side
    462,801.40x = 303,059,063,850.54
  5. Step 5: Solve for x
    x = 303,059,063,850.54/462,801.40
  6. Step 6: Final answer
    x = 654,836.10

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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.