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Finding the Fourth Proportional to 504,546.89, 696,271.88 and 278,192.39

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Solution

The fourth proportional to 504,546.89, 696,271.88 and 278,192.39 is: 383,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,546.89 : 696,271.88 = 278,192.39 : x
  2. Step 2: Convert to fraction form
    504,546.89/696,271.88 = 278,192.39/x
  3. Step 3: Cross multiply
    504,546.89x = 696,271.88 × 278,192.39
  4. Step 4: Simplify right side
    504,546.89x = 193,697,535,601.12
  5. Step 5: Solve for x
    x = 193,697,535,601.12/504,546.89
  6. Step 6: Final answer
    x = 383,903.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.