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Finding the Fourth Proportional to 366,381.75, 505,597.77 and 205,235.76

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Solution

The fourth proportional to 366,381.75, 505,597.77 and 205,235.76 is: 283,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,381.75 : 505,597.77 = 205,235.76 : x
  2. Step 2: Convert to fraction form
    366,381.75/505,597.77 = 205,235.76/x
  3. Step 3: Cross multiply
    366,381.75x = 505,597.77 × 205,235.76
  4. Step 4: Simplify right side
    366,381.75x = 103,766,742,580.26
  5. Step 5: Solve for x
    x = 103,766,742,580.26/366,381.75
  6. Step 6: Final answer
    x = 283,220.28

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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.