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Finding the Fourth Proportional to 548,588.08, 755,369.31 and 480,222.46

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Solution

The fourth proportional to 548,588.08, 755,369.31 and 480,222.46 is: 661,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,588.08 : 755,369.31 = 480,222.46 : x
  2. Step 2: Convert to fraction form
    548,588.08/755,369.31 = 480,222.46/x
  3. Step 3: Cross multiply
    548,588.08x = 755,369.31 × 480,222.46
  4. Step 4: Simplify right side
    548,588.08x = 362,745,308,256.70
  5. Step 5: Solve for x
    x = 362,745,308,256.70/548,588.08
  6. Step 6: Final answer
    x = 661,234.40

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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.