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Finding the Fourth Proportional to 510,424.74, 765,261.27 and 173,374.56

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Solution

The fourth proportional to 510,424.74, 765,261.27 and 173,374.56 is: 259,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,424.74 : 765,261.27 = 173,374.56 : x
  2. Step 2: Convert to fraction form
    510,424.74/765,261.27 = 173,374.56/x
  3. Step 3: Cross multiply
    510,424.74x = 765,261.27 × 173,374.56
  4. Step 4: Simplify right side
    510,424.74x = 132,676,835,971.29
  5. Step 5: Solve for x
    x = 132,676,835,971.29/510,424.74
  6. Step 6: Final answer
    x = 259,934.18

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1.5x scale

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.