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Finding the Fourth Proportional to 668,880.80, 922,792.73 and 382,247.11

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Solution

The fourth proportional to 668,880.80, 922,792.73 and 382,247.11 is: 527,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,880.80 : 922,792.73 = 382,247.11 : x
  2. Step 2: Convert to fraction form
    668,880.80/922,792.73 = 382,247.11/x
  3. Step 3: Cross multiply
    668,880.80x = 922,792.73 × 382,247.11
  4. Step 4: Simplify right side
    668,880.80x = 352,734,854,171.51
  5. Step 5: Solve for x
    x = 352,734,854,171.51/668,880.80
  6. Step 6: Final answer
    x = 527,350.84

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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.