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Finding the Fourth Proportional to 445,954.95, 668,681.46 and 146,410.29

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Solution

The fourth proportional to 445,954.95, 668,681.46 and 146,410.29 is: 219,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,954.95 : 668,681.46 = 146,410.29 : x
  2. Step 2: Convert to fraction form
    445,954.95/668,681.46 = 146,410.29/x
  3. Step 3: Cross multiply
    445,954.95x = 668,681.46 × 146,410.29
  4. Step 4: Simplify right side
    445,954.95x = 97,901,846,476.22
  5. Step 5: Solve for x
    x = 97,901,846,476.22/445,954.95
  6. Step 6: Final answer
    x = 219,533.04

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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.