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Finding the Fourth Proportional to 984,519, 1,358,636.94 and 531,810

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Solution

The fourth proportional to 984,519, 1,358,636.94 and 531,810 is: 733,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,519 : 1,358,636.94 = 531,810 : x
  2. Step 2: Convert to fraction form
    984,519/1,358,636.94 = 531,810/x
  3. Step 3: Cross multiply
    984,519x = 1,358,636.94 × 531,810
  4. Step 4: Simplify right side
    984,519x = 722,536,711,061.40
  5. Step 5: Solve for x
    x = 722,536,711,061.40/984,519
  6. Step 6: Final answer
    x = 733,898.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.