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Finding the Fourth Proportional to 544,051.80, 816,077.70 and 188,947.80

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Solution

The fourth proportional to 544,051.80, 816,077.70 and 188,947.80 is: 283,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,051.80 : 816,077.70 = 188,947.80 : x
  2. Step 2: Convert to fraction form
    544,051.80/816,077.70 = 188,947.80/x
  3. Step 3: Cross multiply
    544,051.80x = 816,077.70 × 188,947.80
  4. Step 4: Simplify right side
    544,051.80x = 154,196,086,044.06
  5. Step 5: Solve for x
    x = 154,196,086,044.06/544,051.80
  6. Step 6: Final answer
    x = 283,421.70

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Similar ratio
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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.