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Finding the Fourth Proportional to 563,334, 777,400.92 and 324,870

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Solution

The fourth proportional to 563,334, 777,400.92 and 324,870 is: 448,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,334 : 777,400.92 = 324,870 : x
  2. Step 2: Convert to fraction form
    563,334/777,400.92 = 324,870/x
  3. Step 3: Cross multiply
    563,334x = 777,400.92 × 324,870
  4. Step 4: Simplify right side
    563,334x = 252,554,236,880.40
  5. Step 5: Solve for x
    x = 252,554,236,880.40/563,334
  6. Step 6: Final answer
    x = 448,320.60

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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.