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Finding the Fourth Proportional to 668,718.50, 922,847.73 and 366,912.50

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Solution

The fourth proportional to 668,718.50, 922,847.73 and 366,912.50 is: 506,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,718.50 : 922,847.73 = 366,912.50 : x
  2. Step 2: Convert to fraction form
    668,718.50/922,847.73 = 366,912.50/x
  3. Step 3: Cross multiply
    668,718.50x = 922,847.73 × 366,912.50
  4. Step 4: Simplify right side
    668,718.50x = 338,604,367,733.63
  5. Step 5: Solve for x
    x = 338,604,367,733.63/668,718.50
  6. Step 6: Final answer
    x = 506,348.14

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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.