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Finding the Fourth Proportional to 366,940.10, 506,405.07 and 203,627.51

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Solution

The fourth proportional to 366,940.10, 506,405.07 and 203,627.51 is: 281,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.10 : 506,405.07 = 203,627.51 : x
  2. Step 2: Convert to fraction form
    366,940.10/506,405.07 = 203,627.51/x
  3. Step 3: Cross multiply
    366,940.10x = 506,405.07 × 203,627.51
  4. Step 4: Simplify right side
    366,940.10x = 103,118,003,957.89
  5. Step 5: Solve for x
    x = 103,118,003,957.89/366,940.10
  6. Step 6: Final answer
    x = 281,021.36

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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.