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Finding the Fourth Proportional to 544,275.64, 816,784.98 and 189,286.12

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Solution

The fourth proportional to 544,275.64, 816,784.98 and 189,286.12 is: 284,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,275.64 : 816,784.98 = 189,286.12 : x
  2. Step 2: Convert to fraction form
    544,275.64/816,784.98 = 189,286.12/x
  3. Step 3: Cross multiply
    544,275.64x = 816,784.98 × 189,286.12
  4. Step 4: Simplify right side
    544,275.64x = 154,606,059,738.48
  5. Step 5: Solve for x
    x = 154,606,059,738.48/544,275.64
  6. Step 6: Final answer
    x = 284,058.39

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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.