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Finding the Fourth Proportional to 359,907.36, 540,188.64 and 191,569.04

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Solution

The fourth proportional to 359,907.36, 540,188.64 and 191,569.04 is: 287,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,907.36 : 540,188.64 = 191,569.04 : x
  2. Step 2: Convert to fraction form
    359,907.36/540,188.64 = 191,569.04/x
  3. Step 3: Cross multiply
    359,907.36x = 540,188.64 × 191,569.04
  4. Step 4: Simplify right side
    359,907.36x = 103,483,419,183.71
  5. Step 5: Solve for x
    x = 103,483,419,183.71/359,907.36
  6. Step 6: Final answer
    x = 287,527.93

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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.