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Finding the Fourth Proportional to 560,871.43, 839,966.32 and 323,494.45

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Solution

The fourth proportional to 560,871.43, 839,966.32 and 323,494.45 is: 484,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,871.43 : 839,966.32 = 323,494.45 : x
  2. Step 2: Convert to fraction form
    560,871.43/839,966.32 = 323,494.45/x
  3. Step 3: Cross multiply
    560,871.43x = 839,966.32 × 323,494.45
  4. Step 4: Simplify right side
    560,871.43x = 271,724,442,706.92
  5. Step 5: Solve for x
    x = 271,724,442,706.92/560,871.43
  6. Step 6: Final answer
    x = 484,468.33

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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.