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Finding the Fourth Proportional to 624,400.01, 936,521.01 and 197,939.94

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Solution

The fourth proportional to 624,400.01, 936,521.01 and 197,939.94 is: 296,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,400.01 : 936,521.01 = 197,939.94 : x
  2. Step 2: Convert to fraction form
    624,400.01/936,521.01 = 197,939.94/x
  3. Step 3: Cross multiply
    624,400.01x = 936,521.01 × 197,939.94
  4. Step 4: Simplify right side
    624,400.01x = 185,374,913,912.98
  5. Step 5: Solve for x
    x = 185,374,913,912.98/624,400.01
  6. Step 6: Final answer
    x = 296,884.87

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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.