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Finding the Fourth Proportional to 359, 537.26 and 346.86

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Solution

The fourth proportional to 359, 537.26 and 346.86 is: 519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359 : 537.26 = 346.86 : x
  2. Step 2: Convert to fraction form
    359/537.26 = 346.86/x
  3. Step 3: Cross multiply
    359x = 537.26 × 346.86
  4. Step 4: Simplify right side
    359x = 186,354.00
  5. Step 5: Solve for x
    x = 186,354.00/359
  6. Step 6: Final answer
    x = 519.09

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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.