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Finding the Fourth Proportional to 544,374.15, 816,695.21 and 189,391.24

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Solution

The fourth proportional to 544,374.15, 816,695.21 and 189,391.24 is: 284,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,374.15 : 816,695.21 = 189,391.24 : x
  2. Step 2: Convert to fraction form
    544,374.15/816,695.21 = 189,391.24/x
  3. Step 3: Cross multiply
    544,374.15x = 816,695.21 × 189,391.24
  4. Step 4: Simplify right side
    544,374.15x = 154,674,918,523.96
  5. Step 5: Solve for x
    x = 154,674,918,523.96/544,374.15
  6. Step 6: Final answer
    x = 284,133.47

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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.