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Finding the Fourth Proportional to 521,940.70, 732,816.50 and 521,940.70

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Solution

The fourth proportional to 521,940.70, 732,816.50 and 521,940.70 is: 732,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,940.70 : 732,816.50 = 521,940.70 : x
  2. Step 2: Convert to fraction form
    521,940.70/732,816.50 = 521,940.70/x
  3. Step 3: Cross multiply
    521,940.70x = 732,816.50 × 521,940.70
  4. Step 4: Simplify right side
    521,940.70x = 382,486,756,981.55
  5. Step 5: Solve for x
    x = 382,486,756,981.55/521,940.70
  6. Step 6: Final answer
    x = 732,816.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.