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Finding the Fourth Proportional to 610,479.46, 915,763.08 and 161,195.84

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Solution

The fourth proportional to 610,479.46, 915,763.08 and 161,195.84 is: 241,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,479.46 : 915,763.08 = 161,195.84 : x
  2. Step 2: Convert to fraction form
    610,479.46/915,763.08 = 161,195.84/x
  3. Step 3: Cross multiply
    610,479.46x = 915,763.08 × 161,195.84
  4. Step 4: Simplify right side
    610,479.46x = 147,617,198,921.59
  5. Step 5: Solve for x
    x = 147,617,198,921.59/610,479.46
  6. Step 6: Final answer
    x = 241,805.35

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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.