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Finding the Fourth Proportional to 668,725.24, 922,837.98 and 366,912.76

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Solution

The fourth proportional to 668,725.24, 922,837.98 and 366,912.76 is: 506,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,725.24 : 922,837.98 = 366,912.76 : x
  2. Step 2: Convert to fraction form
    668,725.24/922,837.98 = 366,912.76/x
  3. Step 3: Cross multiply
    668,725.24x = 922,837.98 × 366,912.76
  4. Step 4: Simplify right side
    668,725.24x = 338,601,030,274.63
  5. Step 5: Solve for x
    x = 338,601,030,274.63/668,725.24
  6. Step 6: Final answer
    x = 506,338.04

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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.