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Finding the Fourth Proportional to 359,911.32, 540,194.64 and 191,573.04

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Solution

The fourth proportional to 359,911.32, 540,194.64 and 191,573.04 is: 287,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,911.32 : 540,194.64 = 191,573.04 : x
  2. Step 2: Convert to fraction form
    359,911.32/540,194.64 = 191,573.04/x
  3. Step 3: Cross multiply
    359,911.32x = 540,194.64 × 191,573.04
  4. Step 4: Simplify right side
    359,911.32x = 103,486,729,376.51
  5. Step 5: Solve for x
    x = 103,486,729,376.51/359,911.32
  6. Step 6: Final answer
    x = 287,533.97

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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.