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Finding the Fourth Proportional to 540,575.26, 745,929 and 298,825.06

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Solution

The fourth proportional to 540,575.26, 745,929 and 298,825.06 is: 412,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,575.26 : 745,929 = 298,825.06 : x
  2. Step 2: Convert to fraction form
    540,575.26/745,929 = 298,825.06/x
  3. Step 3: Cross multiply
    540,575.26x = 745,929 × 298,825.06
  4. Step 4: Simplify right side
    540,575.26x = 222,902,278,180.74
  5. Step 5: Solve for x
    x = 222,902,278,180.74/540,575.26
  6. Step 6: Final answer
    x = 412,342.73

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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.