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Finding the Fourth Proportional to 503,137.86, 754,838.01 and 187,597.50

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Solution

The fourth proportional to 503,137.86, 754,838.01 and 187,597.50 is: 281,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,137.86 : 754,838.01 = 187,597.50 : x
  2. Step 2: Convert to fraction form
    503,137.86/754,838.01 = 187,597.50/x
  3. Step 3: Cross multiply
    503,137.86x = 754,838.01 × 187,597.50
  4. Step 4: Simplify right side
    503,137.86x = 141,605,723,580.98
  5. Step 5: Solve for x
    x = 141,605,723,580.98/503,137.86
  6. Step 6: Final answer
    x = 281,445.18

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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.