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Finding the Fourth Proportional to 619,484.40, 929,226.60 and 245,458.80

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Solution

The fourth proportional to 619,484.40, 929,226.60 and 245,458.80 is: 368,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,484.40 : 929,226.60 = 245,458.80 : x
  2. Step 2: Convert to fraction form
    619,484.40/929,226.60 = 245,458.80/x
  3. Step 3: Cross multiply
    619,484.40x = 929,226.60 × 245,458.80
  4. Step 4: Simplify right side
    619,484.40x = 228,086,846,164.08
  5. Step 5: Solve for x
    x = 228,086,846,164.08/619,484.40
  6. Step 6: Final answer
    x = 368,188.20

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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.