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Finding the Fourth Proportional to 364,513.40, 547,426.20 and 264,786.20

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Solution

The fourth proportional to 364,513.40, 547,426.20 and 264,786.20 is: 397,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,513.40 : 547,426.20 = 264,786.20 : x
  2. Step 2: Convert to fraction form
    364,513.40/547,426.20 = 264,786.20/x
  3. Step 3: Cross multiply
    364,513.40x = 547,426.20 × 264,786.20
  4. Step 4: Simplify right side
    364,513.40x = 144,950,903,278.44
  5. Step 5: Solve for x
    x = 144,950,903,278.44/364,513.40
  6. Step 6: Final answer
    x = 397,655.90

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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.