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Finding the Fourth Proportional to 419,184.01, 578,553.66 and 237,912.94

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Solution

The fourth proportional to 419,184.01, 578,553.66 and 237,912.94 is: 328,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,184.01 : 578,553.66 = 237,912.94 : x
  2. Step 2: Convert to fraction form
    419,184.01/578,553.66 = 237,912.94/x
  3. Step 3: Cross multiply
    419,184.01x = 578,553.66 × 237,912.94
  4. Step 4: Simplify right side
    419,184.01x = 137,645,402,198.36
  5. Step 5: Solve for x
    x = 137,645,402,198.36/419,184.01
  6. Step 6: Final answer
    x = 328,365.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.