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Finding the Fourth Proportional to 437,729.43, 604,347.70 and 274,609.53

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Solution

The fourth proportional to 437,729.43, 604,347.70 and 274,609.53 is: 379,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,729.43 : 604,347.70 = 274,609.53 : x
  2. Step 2: Convert to fraction form
    437,729.43/604,347.70 = 274,609.53/x
  3. Step 3: Cross multiply
    437,729.43x = 604,347.70 × 274,609.53
  4. Step 4: Simplify right side
    437,729.43x = 165,959,637,853.58
  5. Step 5: Solve for x
    x = 165,959,637,853.58/437,729.43
  6. Step 6: Final answer
    x = 379,137.49

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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.