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Finding the Fourth Proportional to 377,353.77, 566,129.07 and 140,698.50

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Solution

The fourth proportional to 377,353.77, 566,129.07 and 140,698.50 is: 211,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,353.77 : 566,129.07 = 140,698.50 : x
  2. Step 2: Convert to fraction form
    377,353.77/566,129.07 = 140,698.50/x
  3. Step 3: Cross multiply
    377,353.77x = 566,129.07 × 140,698.50
  4. Step 4: Simplify right side
    377,353.77x = 79,653,510,955.40
  5. Step 5: Solve for x
    x = 79,653,510,955.40/377,353.77
  6. Step 6: Final answer
    x = 211,084.44

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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.