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Finding the Fourth Proportional to 668,242.92, 922,217.22 and 366,436.92

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Solution

The fourth proportional to 668,242.92, 922,217.22 and 366,436.92 is: 505,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,242.92 : 922,217.22 = 366,436.92 : x
  2. Step 2: Convert to fraction form
    668,242.92/922,217.22 = 366,436.92/x
  3. Step 3: Cross multiply
    668,242.92x = 922,217.22 × 366,436.92
  4. Step 4: Simplify right side
    668,242.92x = 337,934,437,667.76
  5. Step 5: Solve for x
    x = 337,934,437,667.76/668,242.92
  6. Step 6: Final answer
    x = 505,705.98

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Similar ratio
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1.5x scale

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.