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Finding the Fourth Proportional to 450,636.84, 621,869.22 and 246,682.44

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Solution

The fourth proportional to 450,636.84, 621,869.22 and 246,682.44 is: 340,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,636.84 : 621,869.22 = 246,682.44 : x
  2. Step 2: Convert to fraction form
    450,636.84/621,869.22 = 246,682.44/x
  3. Step 3: Cross multiply
    450,636.84x = 621,869.22 × 246,682.44
  4. Step 4: Simplify right side
    450,636.84x = 153,404,216,550.50
  5. Step 5: Solve for x
    x = 153,404,216,550.50/450,636.84
  6. Step 6: Final answer
    x = 340,416.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.