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Finding the Fourth Proportional to 359,690.58, 539,419.04 and 119,740.02

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Solution

The fourth proportional to 359,690.58, 539,419.04 and 119,740.02 is: 179,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,690.58 : 539,419.04 = 119,740.02 : x
  2. Step 2: Convert to fraction form
    359,690.58/539,419.04 = 119,740.02/x
  3. Step 3: Cross multiply
    359,690.58x = 539,419.04 × 119,740.02
  4. Step 4: Simplify right side
    359,690.58x = 64,590,046,039.28
  5. Step 5: Solve for x
    x = 64,590,046,039.28/359,690.58
  6. Step 6: Final answer
    x = 179,571.14

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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.