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Finding the Fourth Proportional to 365,938.80, 505,305.53 and 230,016.52

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Solution

The fourth proportional to 365,938.80, 505,305.53 and 230,016.52 is: 317,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,938.80 : 505,305.53 = 230,016.52 : x
  2. Step 2: Convert to fraction form
    365,938.80/505,305.53 = 230,016.52/x
  3. Step 3: Cross multiply
    365,938.80x = 505,305.53 × 230,016.52
  4. Step 4: Simplify right side
    365,938.80x = 116,228,619,547.36
  5. Step 5: Solve for x
    x = 116,228,619,547.36/365,938.80
  6. Step 6: Final answer
    x = 317,617.64

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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.