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Finding the Fourth Proportional to 524,060.20, 786,090.30 and 363,701.80

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Solution

The fourth proportional to 524,060.20, 786,090.30 and 363,701.80 is: 545,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,060.20 : 786,090.30 = 363,701.80 : x
  2. Step 2: Convert to fraction form
    524,060.20/786,090.30 = 363,701.80/x
  3. Step 3: Cross multiply
    524,060.20x = 786,090.30 × 363,701.80
  4. Step 4: Simplify right side
    524,060.20x = 285,902,457,072.54
  5. Step 5: Solve for x
    x = 285,902,457,072.54/524,060.20
  6. Step 6: Final answer
    x = 545,552.70

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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.