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Finding the Fourth Proportional to 359,603.52, 496,150.56 and 216,291.84

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Solution

The fourth proportional to 359,603.52, 496,150.56 and 216,291.84 is: 298,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,603.52 : 496,150.56 = 216,291.84 : x
  2. Step 2: Convert to fraction form
    359,603.52/496,150.56 = 216,291.84/x
  3. Step 3: Cross multiply
    359,603.52x = 496,150.56 × 216,291.84
  4. Step 4: Simplify right side
    359,603.52x = 107,313,317,539.43
  5. Step 5: Solve for x
    x = 107,313,317,539.43/359,603.52
  6. Step 6: Final answer
    x = 298,421.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.