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Finding the Fourth Proportional to 503,229.69, 754,820.10 and 187,662.06

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Solution

The fourth proportional to 503,229.69, 754,820.10 and 187,662.06 is: 281,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,229.69 : 754,820.10 = 187,662.06 : x
  2. Step 2: Convert to fraction form
    503,229.69/754,820.10 = 187,662.06/x
  3. Step 3: Cross multiply
    503,229.69x = 754,820.10 × 187,662.06
  4. Step 4: Simplify right side
    503,229.69x = 141,651,094,895.41
  5. Step 5: Solve for x
    x = 141,651,094,895.41/503,229.69
  6. Step 6: Final answer
    x = 281,483.98

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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.