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Finding the Fourth Proportional to 362,690.64, 543,481.92 and 152,213.76

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Solution

The fourth proportional to 362,690.64, 543,481.92 and 152,213.76 is: 228,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,690.64 : 543,481.92 = 152,213.76 : x
  2. Step 2: Convert to fraction form
    362,690.64/543,481.92 = 152,213.76/x
  3. Step 3: Cross multiply
    362,690.64x = 543,481.92 × 152,213.76
  4. Step 4: Simplify right side
    362,690.64x = 82,725,426,535.22
  5. Step 5: Solve for x
    x = 82,725,426,535.22/362,690.64
  6. Step 6: Final answer
    x = 228,088.12

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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.