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Finding the Fourth Proportional to 503,897.80, 755,846.70 and 362,180.20

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Solution

The fourth proportional to 503,897.80, 755,846.70 and 362,180.20 is: 543,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,897.80 : 755,846.70 = 362,180.20 : x
  2. Step 2: Convert to fraction form
    503,897.80/755,846.70 = 362,180.20/x
  3. Step 3: Cross multiply
    503,897.80x = 755,846.70 × 362,180.20
  4. Step 4: Simplify right side
    503,897.80x = 273,752,708,975.34
  5. Step 5: Solve for x
    x = 273,752,708,975.34/503,897.80
  6. Step 6: Final answer
    x = 543,270.30

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Double scale
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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.