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Finding the Fourth Proportional to 668,474.28, 922,538.34 and 366,668.28

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Solution

The fourth proportional to 668,474.28, 922,538.34 and 366,668.28 is: 506,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,474.28 : 922,538.34 = 366,668.28 : x
  2. Step 2: Convert to fraction form
    668,474.28/922,538.34 = 366,668.28/x
  3. Step 3: Cross multiply
    668,474.28x = 922,538.34 × 366,668.28
  4. Step 4: Simplify right side
    668,474.28x = 338,265,546,361.86
  5. Step 5: Solve for x
    x = 338,265,546,361.86/668,474.28
  6. Step 6: Final answer
    x = 506,026.27

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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.