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Finding the Fourth Proportional to 605,897.80, 908,846.70 and 251,603.80

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Solution

The fourth proportional to 605,897.80, 908,846.70 and 251,603.80 is: 377,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,897.80 : 908,846.70 = 251,603.80 : x
  2. Step 2: Convert to fraction form
    605,897.80/908,846.70 = 251,603.80/x
  3. Step 3: Cross multiply
    605,897.80x = 908,846.70 × 251,603.80
  4. Step 4: Simplify right side
    605,897.80x = 228,669,283,337.46
  5. Step 5: Solve for x
    x = 228,669,283,337.46/605,897.80
  6. Step 6: Final answer
    x = 377,405.70

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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.