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Finding the Fourth Proportional to 295,630.46, 407,970.42 and 168,306.05

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Solution

The fourth proportional to 295,630.46, 407,970.42 and 168,306.05 is: 232,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,630.46 : 407,970.42 = 168,306.05 : x
  2. Step 2: Convert to fraction form
    295,630.46/407,970.42 = 168,306.05/x
  3. Step 3: Cross multiply
    295,630.46x = 407,970.42 × 168,306.05
  4. Step 4: Simplify right side
    295,630.46x = 68,663,891,242.54
  5. Step 5: Solve for x
    x = 68,663,891,242.54/295,630.46
  6. Step 6: Final answer
    x = 232,262.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.