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Finding the Fourth Proportional to 359,380.96, 539,071.44 and 201,720.16

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Solution

The fourth proportional to 359,380.96, 539,071.44 and 201,720.16 is: 302,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,380.96 : 539,071.44 = 201,720.16 : x
  2. Step 2: Convert to fraction form
    359,380.96/539,071.44 = 201,720.16/x
  3. Step 3: Cross multiply
    359,380.96x = 539,071.44 × 201,720.16
  4. Step 4: Simplify right side
    359,380.96x = 108,741,577,128.23
  5. Step 5: Solve for x
    x = 108,741,577,128.23/359,380.96
  6. Step 6: Final answer
    x = 302,580.24

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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.