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Finding the Fourth Proportional to 362,415.30, 543,622.95 and 96,216.90

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Solution

The fourth proportional to 362,415.30, 543,622.95 and 96,216.90 is: 144,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,415.30 : 543,622.95 = 96,216.90 : x
  2. Step 2: Convert to fraction form
    362,415.30/543,622.95 = 96,216.90/x
  3. Step 3: Cross multiply
    362,415.30x = 543,622.95 × 96,216.90
  4. Step 4: Simplify right side
    362,415.30x = 52,305,715,017.86
  5. Step 5: Solve for x
    x = 52,305,715,017.86/362,415.30
  6. Step 6: Final answer
    x = 144,325.35

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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.