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Finding the Fourth Proportional to 377,657.40, 566,486.12 and 141,018.56

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Solution

The fourth proportional to 377,657.40, 566,486.12 and 141,018.56 is: 211,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,657.40 : 566,486.12 = 141,018.56 : x
  2. Step 2: Convert to fraction form
    377,657.40/566,486.12 = 141,018.56/x
  3. Step 3: Cross multiply
    377,657.40x = 566,486.12 × 141,018.56
  4. Step 4: Simplify right side
    377,657.40x = 79,885,056,902.39
  5. Step 5: Solve for x
    x = 79,885,056,902.39/377,657.40
  6. Step 6: Final answer
    x = 211,527.85

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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.