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Finding the Fourth Proportional to 541,852.53, 747,685.65 and 312,418.41

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Solution

The fourth proportional to 541,852.53, 747,685.65 and 312,418.41 is: 431,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,852.53 : 747,685.65 = 312,418.41 : x
  2. Step 2: Convert to fraction form
    541,852.53/747,685.65 = 312,418.41/x
  3. Step 3: Cross multiply
    541,852.53x = 747,685.65 × 312,418.41
  4. Step 4: Simplify right side
    541,852.53x = 233,590,761,952.82
  5. Step 5: Solve for x
    x = 233,590,761,952.82/541,852.53
  6. Step 6: Final answer
    x = 431,096.56

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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.