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Finding the Fourth Proportional to 366,446.94, 505,750.20 and 205,312.89

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Solution

The fourth proportional to 366,446.94, 505,750.20 and 205,312.89 is: 283,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,446.94 : 505,750.20 = 205,312.89 : x
  2. Step 2: Convert to fraction form
    366,446.94/505,750.20 = 205,312.89/x
  3. Step 3: Cross multiply
    366,446.94x = 505,750.20 × 205,312.89
  4. Step 4: Simplify right side
    366,446.94x = 103,837,035,180.08
  5. Step 5: Solve for x
    x = 103,837,035,180.08/366,446.94
  6. Step 6: Final answer
    x = 283,361.72

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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.