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Finding the Fourth Proportional to 668,238.42, 922,211.01 and 366,432.42

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Solution

The fourth proportional to 668,238.42, 922,211.01 and 366,432.42 is: 505,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,238.42 : 922,211.01 = 366,432.42 : x
  2. Step 2: Convert to fraction form
    668,238.42/922,211.01 = 366,432.42/x
  3. Step 3: Cross multiply
    668,238.42x = 922,211.01 × 366,432.42
  4. Step 4: Simplify right side
    668,238.42x = 337,928,012,144.94
  5. Step 5: Solve for x
    x = 337,928,012,144.94/668,238.42
  6. Step 6: Final answer
    x = 505,699.77

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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.