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Finding the Fourth Proportional to 366,220.60, 505,433.10 and 205,084.60

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Solution

The fourth proportional to 366,220.60, 505,433.10 and 205,084.60 is: 283,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,220.60 : 505,433.10 = 205,084.60 : x
  2. Step 2: Convert to fraction form
    366,220.60/505,433.10 = 205,084.60/x
  3. Step 3: Cross multiply
    366,220.60x = 505,433.10 × 205,084.60
  4. Step 4: Simplify right side
    366,220.60x = 103,656,545,140.26
  5. Step 5: Solve for x
    x = 103,656,545,140.26/366,220.60
  6. Step 6: Final answer
    x = 283,044.00

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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.