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Finding the Fourth Proportional to 359,098.62, 537,059.79 and 319,396.37

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Solution

The fourth proportional to 359,098.62, 537,059.79 and 319,396.37 is: 477,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,098.62 : 537,059.79 = 319,396.37 : x
  2. Step 2: Convert to fraction form
    359,098.62/537,059.79 = 319,396.37/x
  3. Step 3: Cross multiply
    359,098.62x = 537,059.79 × 319,396.37
  4. Step 4: Simplify right side
    359,098.62x = 171,534,944,713.66
  5. Step 5: Solve for x
    x = 171,534,944,713.66/359,098.62
  6. Step 6: Final answer
    x = 477,681.99

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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.