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Finding the Fourth Proportional to 397,243.20, 595,864.80 and 237,810.90

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Solution

The fourth proportional to 397,243.20, 595,864.80 and 237,810.90 is: 356,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,243.20 : 595,864.80 = 237,810.90 : x
  2. Step 2: Convert to fraction form
    397,243.20/595,864.80 = 237,810.90/x
  3. Step 3: Cross multiply
    397,243.20x = 595,864.80 × 237,810.90
  4. Step 4: Simplify right side
    397,243.20x = 141,703,144,366.32
  5. Step 5: Solve for x
    x = 141,703,144,366.32/397,243.20
  6. Step 6: Final answer
    x = 356,716.35

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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.