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Finding the Fourth Proportional to 533,366.40, 800,438.40 and 375,902.40

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Solution

The fourth proportional to 533,366.40, 800,438.40 and 375,902.40 is: 564,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,366.40 : 800,438.40 = 375,902.40 : x
  2. Step 2: Convert to fraction form
    533,366.40/800,438.40 = 375,902.40/x
  3. Step 3: Cross multiply
    533,366.40x = 800,438.40 × 375,902.40
  4. Step 4: Simplify right side
    533,366.40x = 300,886,715,612.16
  5. Step 5: Solve for x
    x = 300,886,715,612.16/533,366.40
  6. Step 6: Final answer
    x = 564,127.62

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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.