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Finding the Fourth Proportional to 461,936.80, 692,775.60 and 146,490.40

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Solution

The fourth proportional to 461,936.80, 692,775.60 and 146,490.40 is: 219,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,936.80 : 692,775.60 = 146,490.40 : x
  2. Step 2: Convert to fraction form
    461,936.80/692,775.60 = 146,490.40/x
  3. Step 3: Cross multiply
    461,936.80x = 692,775.60 × 146,490.40
  4. Step 4: Simplify right side
    461,936.80x = 101,484,974,754.24
  5. Step 5: Solve for x
    x = 101,484,974,754.24/461,936.80
  6. Step 6: Final answer
    x = 219,694.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.