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Finding the Fourth Proportional to 416,907.20, 624,439.20 and 322,673.60

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Solution

The fourth proportional to 416,907.20, 624,439.20 and 322,673.60 is: 483,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,907.20 : 624,439.20 = 322,673.60 : x
  2. Step 2: Convert to fraction form
    416,907.20/624,439.20 = 322,673.60/x
  3. Step 3: Cross multiply
    416,907.20x = 624,439.20 × 322,673.60
  4. Step 4: Simplify right side
    416,907.20x = 201,490,044,645.12
  5. Step 5: Solve for x
    x = 201,490,044,645.12/416,907.20
  6. Step 6: Final answer
    x = 483,297.11

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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.