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Finding the Fourth Proportional to 668,393.34, 922,382.73 and 366,587.34

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Solution

The fourth proportional to 668,393.34, 922,382.73 and 366,587.34 is: 505,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,393.34 : 922,382.73 = 366,587.34 : x
  2. Step 2: Convert to fraction form
    668,393.34/922,382.73 = 366,587.34/x
  3. Step 3: Cross multiply
    668,393.34x = 922,382.73 × 366,587.34
  4. Step 4: Simplify right side
    668,393.34x = 338,133,831,452.64
  5. Step 5: Solve for x
    x = 338,133,831,452.64/668,393.34
  6. Step 6: Final answer
    x = 505,890.49

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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.