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Finding the Fourth Proportional to 656,133.40, 982,817.70 and 531,717.40

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Solution

The fourth proportional to 656,133.40, 982,817.70 and 531,717.40 is: 796,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,133.40 : 982,817.70 = 531,717.40 : x
  2. Step 2: Convert to fraction form
    656,133.40/982,817.70 = 531,717.40/x
  3. Step 3: Cross multiply
    656,133.40x = 982,817.70 × 531,717.40
  4. Step 4: Simplify right side
    656,133.40x = 522,581,272,117.98
  5. Step 5: Solve for x
    x = 522,581,272,117.98/656,133.40
  6. Step 6: Final answer
    x = 796,455.83

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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.