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Finding the Fourth Proportional to 359,583.74, 536,428.38 and 349,809.89

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Solution

The fourth proportional to 359,583.74, 536,428.38 and 349,809.89 is: 521,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,583.74 : 536,428.38 = 349,809.89 : x
  2. Step 2: Convert to fraction form
    359,583.74/536,428.38 = 349,809.89/x
  3. Step 3: Cross multiply
    359,583.74x = 536,428.38 × 349,809.89
  4. Step 4: Simplify right side
    359,583.74x = 187,647,949,918.54
  5. Step 5: Solve for x
    x = 187,647,949,918.54/359,583.74
  6. Step 6: Final answer
    x = 521,847.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.