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Finding the Fourth Proportional to 536,812.15, 804,527.02 and 411,532.15

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Solution

The fourth proportional to 536,812.15, 804,527.02 and 411,532.15 is: 616,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,812.15 : 804,527.02 = 411,532.15 : x
  2. Step 2: Convert to fraction form
    536,812.15/804,527.02 = 411,532.15/x
  3. Step 3: Cross multiply
    536,812.15x = 804,527.02 × 411,532.15
  4. Step 4: Simplify right side
    536,812.15x = 331,088,734,273.69
  5. Step 5: Solve for x
    x = 331,088,734,273.69/536,812.15
  6. Step 6: Final answer
    x = 616,768.33

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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.