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Finding the Fourth Proportional to 550,630.20, 825,945.30 and 362,280.90

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Solution

The fourth proportional to 550,630.20, 825,945.30 and 362,280.90 is: 543,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,630.20 : 825,945.30 = 362,280.90 : x
  2. Step 2: Convert to fraction form
    550,630.20/825,945.30 = 362,280.90/x
  3. Step 3: Cross multiply
    550,630.20x = 825,945.30 × 362,280.90
  4. Step 4: Simplify right side
    550,630.20x = 299,224,206,634.77
  5. Step 5: Solve for x
    x = 299,224,206,634.77/550,630.20
  6. Step 6: Final answer
    x = 543,421.35

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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.