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Finding the Fourth Proportional to 617,333.70, 926,000.55 and 552,015.30

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Solution

The fourth proportional to 617,333.70, 926,000.55 and 552,015.30 is: 828,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,333.70 : 926,000.55 = 552,015.30 : x
  2. Step 2: Convert to fraction form
    617,333.70/926,000.55 = 552,015.30/x
  3. Step 3: Cross multiply
    617,333.70x = 926,000.55 × 552,015.30
  4. Step 4: Simplify right side
    617,333.70x = 511,166,471,408.42
  5. Step 5: Solve for x
    x = 511,166,471,408.42/617,333.70
  6. Step 6: Final answer
    x = 828,022.95

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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.