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Finding the Fourth Proportional to 446,815.20, 624,141.60 and 446,815.20

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Solution

The fourth proportional to 446,815.20, 624,141.60 and 446,815.20 is: 624,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,815.20 : 624,141.60 = 446,815.20 : x
  2. Step 2: Convert to fraction form
    446,815.20/624,141.60 = 446,815.20/x
  3. Step 3: Cross multiply
    446,815.20x = 624,141.60 × 446,815.20
  4. Step 4: Simplify right side
    446,815.20x = 278,875,953,832.32
  5. Step 5: Solve for x
    x = 278,875,953,832.32/446,815.20
  6. Step 6: Final answer
    x = 624,141.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.