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Finding the Fourth Proportional to 445,955.95, 668,682.96 and 146,411.29

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Solution

The fourth proportional to 445,955.95, 668,682.96 and 146,411.29 is: 219,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,955.95 : 668,682.96 = 146,411.29 : x
  2. Step 2: Convert to fraction form
    445,955.95/668,682.96 = 146,411.29/x
  3. Step 3: Cross multiply
    445,955.95x = 668,682.96 × 146,411.29
  4. Step 4: Simplify right side
    445,955.95x = 97,902,734,774.62
  5. Step 5: Solve for x
    x = 97,902,734,774.62/445,955.95
  6. Step 6: Final answer
    x = 219,534.54

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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.