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Finding the Fourth Proportional to 359,721.84, 540,195.08 and 344,675.28

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Solution

The fourth proportional to 359,721.84, 540,195.08 and 344,675.28 is: 517,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,721.84 : 540,195.08 = 344,675.28 : x
  2. Step 2: Convert to fraction form
    359,721.84/540,195.08 = 344,675.28/x
  3. Step 3: Cross multiply
    359,721.84x = 540,195.08 × 344,675.28
  4. Step 4: Simplify right side
    359,721.84x = 186,191,890,453.62
  5. Step 5: Solve for x
    x = 186,191,890,453.62/359,721.84
  6. Step 6: Final answer
    x = 517,599.63

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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.