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Finding the Fourth Proportional to 541,988.96, 747,934.58 and 300,266.22

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Solution

The fourth proportional to 541,988.96, 747,934.58 and 300,266.22 is: 414,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,988.96 : 747,934.58 = 300,266.22 : x
  2. Step 2: Convert to fraction form
    541,988.96/747,934.58 = 300,266.22/x
  3. Step 3: Cross multiply
    541,988.96x = 747,934.58 × 300,266.22
  4. Step 4: Simplify right side
    541,988.96x = 224,579,489,143.89
  5. Step 5: Solve for x
    x = 224,579,489,143.89/541,988.96
  6. Step 6: Final answer
    x = 414,361.74

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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.