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Finding the Fourth Proportional to 362,256.30, 543,384.45 and 125,622.90

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Solution

The fourth proportional to 362,256.30, 543,384.45 and 125,622.90 is: 188,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,256.30 : 543,384.45 = 125,622.90 : x
  2. Step 2: Convert to fraction form
    362,256.30/543,384.45 = 125,622.90/x
  3. Step 3: Cross multiply
    362,256.30x = 543,384.45 × 125,622.90
  4. Step 4: Simplify right side
    362,256.30x = 68,261,530,423.91
  5. Step 5: Solve for x
    x = 68,261,530,423.91/362,256.30
  6. Step 6: Final answer
    x = 188,434.35

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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.