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Finding the Fourth Proportional to 668,239.42, 922,212.39 and 366,433.42

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Solution

The fourth proportional to 668,239.42, 922,212.39 and 366,433.42 is: 505,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,239.42 : 922,212.39 = 366,433.42 : x
  2. Step 2: Convert to fraction form
    668,239.42/922,212.39 = 366,433.42/x
  3. Step 3: Cross multiply
    668,239.42x = 922,212.39 × 366,433.42
  4. Step 4: Simplify right side
    668,239.42x = 337,929,440,034.07
  5. Step 5: Solve for x
    x = 337,929,440,034.07/668,239.42
  6. Step 6: Final answer
    x = 505,701.15

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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.