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Finding the Fourth Proportional to 365,938.04, 505,304.50 and 230,015.77

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Solution

The fourth proportional to 365,938.04, 505,304.50 and 230,015.77 is: 317,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,938.04 : 505,304.50 = 230,015.77 : x
  2. Step 2: Convert to fraction form
    365,938.04/505,304.50 = 230,015.77/x
  3. Step 3: Cross multiply
    365,938.04x = 505,304.50 × 230,015.77
  4. Step 4: Simplify right side
    365,938.04x = 116,228,001,813.66
  5. Step 5: Solve for x
    x = 116,228,001,813.66/365,938.04
  6. Step 6: Final answer
    x = 317,616.61

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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.