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Finding the Fourth Proportional to 544,421.52, 816,374.70 and 189,391.23

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Solution

The fourth proportional to 544,421.52, 816,374.70 and 189,391.23 is: 283,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,421.52 : 816,374.70 = 189,391.23 : x
  2. Step 2: Convert to fraction form
    544,421.52/816,374.70 = 189,391.23/x
  3. Step 3: Cross multiply
    544,421.52x = 816,374.70 × 189,391.23
  4. Step 4: Simplify right side
    544,421.52x = 154,614,208,573.88
  5. Step 5: Solve for x
    x = 154,614,208,573.88/544,421.52
  6. Step 6: Final answer
    x = 283,997.24

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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.