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Finding the Fourth Proportional to 629,576.90, 944,365.35 and 363,200.30

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Solution

The fourth proportional to 629,576.90, 944,365.35 and 363,200.30 is: 544,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,576.90 : 944,365.35 = 363,200.30 : x
  2. Step 2: Convert to fraction form
    629,576.90/944,365.35 = 363,200.30/x
  3. Step 3: Cross multiply
    629,576.90x = 944,365.35 × 363,200.30
  4. Step 4: Simplify right side
    629,576.90x = 342,993,778,429.61
  5. Step 5: Solve for x
    x = 342,993,778,429.61/629,576.90
  6. Step 6: Final answer
    x = 544,800.45

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Double scale
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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.