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Finding the Fourth Proportional to 682,797.10, 1,024,195.65 and 430,854.70

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Solution

The fourth proportional to 682,797.10, 1,024,195.65 and 430,854.70 is: 646,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,797.10 : 1,024,195.65 = 430,854.70 : x
  2. Step 2: Convert to fraction form
    682,797.10/1,024,195.65 = 430,854.70/x
  3. Step 3: Cross multiply
    682,797.10x = 1,024,195.65 × 430,854.70
  4. Step 4: Simplify right side
    682,797.10x = 441,279,509,522.06
  5. Step 5: Solve for x
    x = 441,279,509,522.06/682,797.10
  6. Step 6: Final answer
    x = 646,282.05

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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.