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Finding the Fourth Proportional to 503,518.68, 755,280.32 and 204,004.98

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Solution

The fourth proportional to 503,518.68, 755,280.32 and 204,004.98 is: 306,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,518.68 : 755,280.32 = 204,004.98 : x
  2. Step 2: Convert to fraction form
    503,518.68/755,280.32 = 204,004.98/x
  3. Step 3: Cross multiply
    503,518.68x = 755,280.32 × 204,004.98
  4. Step 4: Simplify right side
    503,518.68x = 154,080,945,555.97
  5. Step 5: Solve for x
    x = 154,080,945,555.97/503,518.68
  6. Step 6: Final answer
    x = 306,008.40

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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.