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Finding the Fourth Proportional to 359,792.19, 539,847.45 and 188,973.72

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Solution

The fourth proportional to 359,792.19, 539,847.45 and 188,973.72 is: 283,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,792.19 : 539,847.45 = 188,973.72 : x
  2. Step 2: Convert to fraction form
    359,792.19/539,847.45 = 188,973.72/x
  3. Step 3: Cross multiply
    359,792.19x = 539,847.45 × 188,973.72
  4. Step 4: Simplify right side
    359,792.19x = 102,016,980,859.01
  5. Step 5: Solve for x
    x = 102,016,980,859.01/359,792.19
  6. Step 6: Final answer
    x = 283,544.18

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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.