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Finding the Fourth Proportional to 543,007.80, 814,511.70 and 333,055.80

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Solution

The fourth proportional to 543,007.80, 814,511.70 and 333,055.80 is: 499,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,007.80 : 814,511.70 = 333,055.80 : x
  2. Step 2: Convert to fraction form
    543,007.80/814,511.70 = 333,055.80/x
  3. Step 3: Cross multiply
    543,007.80x = 814,511.70 × 333,055.80
  4. Step 4: Simplify right side
    543,007.80x = 271,277,845,852.86
  5. Step 5: Solve for x
    x = 271,277,845,852.86/543,007.80
  6. Step 6: Final answer
    x = 499,583.70

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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.