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Finding the Fourth Proportional to 359,725.74, 496,481.55 and 343,782.06

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Solution

The fourth proportional to 359,725.74, 496,481.55 and 343,782.06 is: 474,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,725.74 : 496,481.55 = 343,782.06 : x
  2. Step 2: Convert to fraction form
    359,725.74/496,481.55 = 343,782.06/x
  3. Step 3: Cross multiply
    359,725.74x = 496,481.55 × 343,782.06
  4. Step 4: Simplify right side
    359,725.74x = 170,681,450,010.99
  5. Step 5: Solve for x
    x = 170,681,450,010.99/359,725.74
  6. Step 6: Final answer
    x = 474,476.61

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1.5x scale

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.