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Finding the Fourth Proportional to 563,333.50, 777,400.23 and 324,869.50

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Solution

The fourth proportional to 563,333.50, 777,400.23 and 324,869.50 is: 448,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,333.50 : 777,400.23 = 324,869.50 : x
  2. Step 2: Convert to fraction form
    563,333.50/777,400.23 = 324,869.50/x
  3. Step 3: Cross multiply
    563,333.50x = 777,400.23 × 324,869.50
  4. Step 4: Simplify right side
    563,333.50x = 252,553,624,019.99
  5. Step 5: Solve for x
    x = 252,553,624,019.99/563,333.50
  6. Step 6: Final answer
    x = 448,319.91

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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.