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Finding the Fourth Proportional to 588,460.40, 883,612.20 and 339,628.40

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Solution

The fourth proportional to 588,460.40, 883,612.20 and 339,628.40 is: 509,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,460.40 : 883,612.20 = 339,628.40 : x
  2. Step 2: Convert to fraction form
    588,460.40/883,612.20 = 339,628.40/x
  3. Step 3: Cross multiply
    588,460.40x = 883,612.20 × 339,628.40
  4. Step 4: Simplify right side
    588,460.40x = 300,099,797,706.48
  5. Step 5: Solve for x
    x = 300,099,797,706.48/588,460.40
  6. Step 6: Final answer
    x = 509,974.50

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1.5x scale

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.