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Finding the Fourth Proportional to 668,806.92, 922,952.31 and 362,883.26

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Solution

The fourth proportional to 668,806.92, 922,952.31 and 362,883.26 is: 500,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,806.92 : 922,952.31 = 362,883.26 : x
  2. Step 2: Convert to fraction form
    668,806.92/922,952.31 = 362,883.26/x
  3. Step 3: Cross multiply
    668,806.92x = 922,952.31 × 362,883.26
  4. Step 4: Simplify right side
    668,806.92x = 334,923,938,462.57
  5. Step 5: Solve for x
    x = 334,923,938,462.57/668,806.92
  6. Step 6: Final answer
    x = 500,778.22

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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.