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Finding the Fourth Proportional to 541,961.40, 747,862.82 and 300,254.16

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Solution

The fourth proportional to 541,961.40, 747,862.82 and 300,254.16 is: 414,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,961.40 : 747,862.82 = 300,254.16 : x
  2. Step 2: Convert to fraction form
    541,961.40/747,862.82 = 300,254.16/x
  3. Step 3: Cross multiply
    541,961.40x = 747,862.82 × 300,254.16
  4. Step 4: Simplify right side
    541,961.40x = 224,548,922,814.33
  5. Step 5: Solve for x
    x = 224,548,922,814.33/541,961.40
  6. Step 6: Final answer
    x = 414,326.41

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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.