Home / 318,005.09-476,220.31-233,565.02

Finding the Fourth Proportional to 318,005.09, 476,220.31 and 233,565.02

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Solution

The fourth proportional to 318,005.09, 476,220.31 and 233,565.02 is: 349,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,005.09 : 476,220.31 = 233,565.02 : x
  2. Step 2: Convert to fraction form
    318,005.09/476,220.31 = 233,565.02/x
  3. Step 3: Cross multiply
    318,005.09x = 476,220.31 × 233,565.02
  4. Step 4: Simplify right side
    318,005.09x = 111,228,406,229.56
  5. Step 5: Solve for x
    x = 111,228,406,229.56/318,005.09
  6. Step 6: Final answer
    x = 349,769.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.