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Finding the Fourth Proportional to 454,826.70, 682,801.65 and 286,346.70

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Solution

The fourth proportional to 454,826.70, 682,801.65 and 286,346.70 is: 429,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,826.70 : 682,801.65 = 286,346.70 : x
  2. Step 2: Convert to fraction form
    454,826.70/682,801.65 = 286,346.70/x
  3. Step 3: Cross multiply
    454,826.70x = 682,801.65 × 286,346.70
  4. Step 4: Simplify right side
    454,826.70x = 195,517,999,232.06
  5. Step 5: Solve for x
    x = 195,517,999,232.06/454,826.70
  6. Step 6: Final answer
    x = 429,873.62

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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.