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Finding the Fourth Proportional to 475,877.84, 656,712.36 and 261,019.67

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Solution

The fourth proportional to 475,877.84, 656,712.36 and 261,019.67 is: 360,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,877.84 : 656,712.36 = 261,019.67 : x
  2. Step 2: Convert to fraction form
    475,877.84/656,712.36 = 261,019.67/x
  3. Step 3: Cross multiply
    475,877.84x = 656,712.36 × 261,019.67
  4. Step 4: Simplify right side
    475,877.84x = 171,414,840,208.56
  5. Step 5: Solve for x
    x = 171,414,840,208.56/475,877.84
  6. Step 6: Final answer
    x = 360,207.66

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