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Finding the Fourth Proportional to 362,401.70, 543,602.55 and 303,790.10

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Solution

The fourth proportional to 362,401.70, 543,602.55 and 303,790.10 is: 455,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,401.70 : 543,602.55 = 303,790.10 : x
  2. Step 2: Convert to fraction form
    362,401.70/543,602.55 = 303,790.10/x
  3. Step 3: Cross multiply
    362,401.70x = 543,602.55 × 303,790.10
  4. Step 4: Simplify right side
    362,401.70x = 165,141,073,024.76
  5. Step 5: Solve for x
    x = 165,141,073,024.76/362,401.70
  6. Step 6: Final answer
    x = 455,685.15

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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.