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Finding the Fourth Proportional to 471,526.38, 707,289.80 and 155,983.29

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Solution

The fourth proportional to 471,526.38, 707,289.80 and 155,983.29 is: 233,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,526.38 : 707,289.80 = 155,983.29 : x
  2. Step 2: Convert to fraction form
    471,526.38/707,289.80 = 155,983.29/x
  3. Step 3: Cross multiply
    471,526.38x = 707,289.80 × 155,983.29
  4. Step 4: Simplify right side
    471,526.38x = 110,325,389,987.44
  5. Step 5: Solve for x
    x = 110,325,389,987.44/471,526.38
  6. Step 6: Final answer
    x = 233,975.01

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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.