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Finding the Fourth Proportional to 303,451.71, 455,236.08 and 116,448.63

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Solution

The fourth proportional to 303,451.71, 455,236.08 and 116,448.63 is: 174,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,451.71 : 455,236.08 = 116,448.63 : x
  2. Step 2: Convert to fraction form
    303,451.71/455,236.08 = 116,448.63/x
  3. Step 3: Cross multiply
    303,451.71x = 455,236.08 × 116,448.63
  4. Step 4: Simplify right side
    303,451.71x = 53,011,617,842.57
  5. Step 5: Solve for x
    x = 53,011,617,842.57/303,451.71
  6. Step 6: Final answer
    x = 174,695.40

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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.