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Finding the Fourth Proportional to 362,003.70, 543,180.85 and 148,929.08

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Solution

The fourth proportional to 362,003.70, 543,180.85 and 148,929.08 is: 223,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003.70 : 543,180.85 = 148,929.08 : x
  2. Step 2: Convert to fraction form
    362,003.70/543,180.85 = 148,929.08/x
  3. Step 3: Cross multiply
    362,003.70x = 543,180.85 × 148,929.08
  4. Step 4: Simplify right side
    362,003.70x = 80,895,424,264.12
  5. Step 5: Solve for x
    x = 80,895,424,264.12/362,003.70
  6. Step 6: Final answer
    x = 223,465.74

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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.