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Finding the Fourth Proportional to 493,270.40, 739,905.60 and 333,838.10

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Solution

The fourth proportional to 493,270.40, 739,905.60 and 333,838.10 is: 500,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,270.40 : 739,905.60 = 333,838.10 : x
  2. Step 2: Convert to fraction form
    493,270.40/739,905.60 = 333,838.10/x
  3. Step 3: Cross multiply
    493,270.40x = 739,905.60 × 333,838.10
  4. Step 4: Simplify right side
    493,270.40x = 247,008,679,683.36
  5. Step 5: Solve for x
    x = 247,008,679,683.36/493,270.40
  6. Step 6: Final answer
    x = 500,757.15

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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.