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Finding the Fourth Proportional to 303,651.49, 455,114.86 and 141,327.11

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Solution

The fourth proportional to 303,651.49, 455,114.86 and 141,327.11 is: 211,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,651.49 : 455,114.86 = 141,327.11 : x
  2. Step 2: Convert to fraction form
    303,651.49/455,114.86 = 141,327.11/x
  3. Step 3: Cross multiply
    303,651.49x = 455,114.86 × 141,327.11
  4. Step 4: Simplify right side
    303,651.49x = 64,320,065,252.96
  5. Step 5: Solve for x
    x = 64,320,065,252.96/303,651.49
  6. Step 6: Final answer
    x = 211,822.00

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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.