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Finding the Fourth Proportional to 434,654.94, 599,852.61 and 243,680.70

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Solution

The fourth proportional to 434,654.94, 599,852.61 and 243,680.70 is: 336,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,654.94 : 599,852.61 = 243,680.70 : x
  2. Step 2: Convert to fraction form
    434,654.94/599,852.61 = 243,680.70/x
  3. Step 3: Cross multiply
    434,654.94x = 599,852.61 × 243,680.70
  4. Step 4: Simplify right side
    434,654.94x = 146,172,503,901.63
  5. Step 5: Solve for x
    x = 146,172,503,901.63/434,654.94
  6. Step 6: Final answer
    x = 336,295.51

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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.