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Finding the Fourth Proportional to 617,549.20, 926,323.80 and 301,843.60

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Solution

The fourth proportional to 617,549.20, 926,323.80 and 301,843.60 is: 452,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,549.20 : 926,323.80 = 301,843.60 : x
  2. Step 2: Convert to fraction form
    617,549.20/926,323.80 = 301,843.60/x
  3. Step 3: Cross multiply
    617,549.20x = 926,323.80 × 301,843.60
  4. Step 4: Simplify right side
    617,549.20x = 279,604,910,557.68
  5. Step 5: Solve for x
    x = 279,604,910,557.68/617,549.20
  6. Step 6: Final answer
    x = 452,765.40

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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.